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8/13/2019 Study related to paediatrics
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A STUDY OF CORRELATION OF
FOOT LENGTH AND
GESTATIONAL MATURITY INNEONATES
By
Dr. DEEPA S., MBBS
Dissertation S!"itte# to t$e
Ra%i& Gan#$i Uni&ersity o' Hea(t$ S)ien)es, *arnata+a, Bana(ore
In -artia( '('i(("ent
o' t$e reire"ents 'or t$e #eree o'
DOCTOR OF MEDICINEIn
PAEDIATRICS
Un#er t$e i#an)e o'
Dr. /I0AY*UMAR B., MD,DCHPro'essor
DEPARTMENT OF PAEDIATRICS
MYSORE MEDICAL COLLEGE AND RESEARCH INSTITUTE
MYSORE1234 456
APRIL 5464
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RA0I/ GANDHI UNI/ERSITY OF HEALTH SCIENCES,
*ARNATA*A, BANGALORE
DECLARATION BY THE CANDIDATE
I hereby declare that this dissertation entitled 7A STUDY OF CORRELATION
OF FOOT LENGTH AND GESTATIONA L MATURITY IN NEONATES8 is a
bonafide and genuine research work carried out by me under the guidance of
Dr. /I0AY*UMAR B., MD,DCH, Professor, Department of Paediatrics, Mysore
Medical College and Research Institute, Mysore.
I have not submitted this previously to this niversity or any other niversity for
the award of any degree or diploma.
Date! Dr. DEEPA S.
Postgraduate in PaediatricsPlace! Mysore Mysore Medical College and Research Institute,
Mysore
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iii
AY*UMAR B., MD,DCH
CERTIFICATE BY THE GUIDE
"his is to certify that the dissertation entitled 7A STUDY OF CORRELATION
OF FOOT LENGTH AND GESTATIONA L MATURITY IN NEONATES8 is a
bonafide research work done by Dr. DEEPA S. , in partial fulfillment of the
re#uirement for the degree of Doctor of Medicine in Paediatrics.
I have immense pleasure in forwarding this dissertation to Ra$iv %andhi
niversity of &ealth 'ciences, (arnataka, )angalore.
Date! Dr. /I0Professor
Place! Mysore Department of Paediatrics,
Mysore Medical College and Research Institute,
Mysore.
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Dr. B. *RISHNAMURTHY, MD,DCH Dr. D. /EN*ATESHA, MD
Professor and &ead Director*Dean,
Department of Paediatrics, Mysore Medical College and
Mysore Medical College and Research Institute,
Research Institute, Mysore.
Mysore.
Date! Date!
Place! Mysore Place! Mysore
iv
ENDORSEMENT BY
THE HEAD OF THE DEPARTME NT AND DIRECTOR9DEAN
"his is to certify that the dissertation entitled 7A STUDY OF CORRELATION OF
FOOT LENGTH AND GESTATIONAL MATURITY IN NEONATES8 is a
bonafide and genuine research work done by Dr. DEEPA S. under the guidance of
Dr. /I0AY*UMAR B., MD,DCH, Professor, Department of Paediatrics, Mysore
Medical College and Research Institute, Mysore.
I have immense pleasure in forwarding this dissertation to Ra$iv %andhi
niversity of &ealth 'ciences, (arnataka, )angalore.
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v
RA0I/ GANDHI UNI/ERSITY OF HEALTH SCIENCES,
*ARNATA*A, BANGALORE
COPYRIGHT De)(aration
!yt$e )an#i#ate
I hereby declare that the Ra$iv %andhi niversity of &ealth 'ciences, (arnataka,
)angalore shall have the rights to preserve, use and disseminate this dissertation in print
or electronic format for academic*research purpose.
Date! Dr. DEEPA S.
Postgraduate in Paediatrics
Place! Mysore Mysore Medical College and Research Institute,
Mysore
RA0I/ GANDHI UNI/ERSITY OF HEALTH SCIENCES
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vi
AC*NO:LEDGEMENTS
I owe a great debt of gratitude to my respected teacher and guide,
Dr. /i%ay+"ar B., Professor, Department of Paediatrics, Mysore Medical College and
Research Institute, Mysore for his advice, appropriate guidance, constant supervision and
encouragement provided to me throughout the period of this study. I e+press my deep
sense of gratitude to him for his utmost patience and keen interest in completing my
dissertation successfully.
I wish to thank with due respect and deep gratitude to Dr. B. *ris$na"rt$y
, Professor and &ead, Department of Paediatrics, Mysore Medical College and Research
Institute, Mysore, for his precious timely suggestions and advice that helped me to a great
e+tent.
I am e+tremely grateful and wish to e+tend my sincere thanks to Dr. S#$a
R#ra--a and Dr. *"ar G.M. , Professors, Department of Paediatrics, Mysore
Medical College and Research Institute, Mysore, for their valuable guidance and
suggestions.
I e+press my deep sense of gratitude and sincere thanks to Dr. Sa&it$a M.R.
, ssistant Professor, for her invaluable help in preparing this dissertation.
I wish to e+press my sincere regards to Dr. Us$a+iran C.B. and Dr. Man%nat$
, -ecturers, for their kind cooperation and timely help.
I wish to thank Dr. S$ai(a%a B. , 'enior 'pecialist, for her help and support.
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I also e+press my gratitude to the Dire)tor9Dean, Mysore Medical College and
Research Institute S-erinten#ent, Cheluvamba &ospital and the /thical Committee for
allowing me to conduct this study.
I am most e+tremely thankful to my parents and husband, for their moral support
during the study period.
I wish to thank Dr. Lan)y D;So
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LIST OF ABBRE/IATIONS
% 1 ppropriate for gestational age
)PD 1 )iparietal diameter
)2t 1 )irth weight
CC 1 Chest circumference
C&- 1 Crown heel length
cm3s4 1 Centimeter3s4
0- 1 0oot length
g 1 %ram
% 1 %estational age
&C 1 &ead circumference
IC 1 Intensive care unit
IMR 1 Infant mortality rate
I%R 1 Intra uterine growth retardation
(cal 1 (ilocalories
(g 1 (ilogram
-)2 1 -ow birth weight
-% 1 -arge for gestational age
-MP 1 -ast menstrual period
p 1 Probability value
P&C 1 Primary health centre
r 1 Correlation coefficient
'% 1 'mall for gestational age
") 1 "raditional birth attendants
'% 1 ltrasonography
5-)2 1 5ery low birth weight
2&6 1 2orld &ealth 6rganisation
viii
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ABSTRACT
BAC*GROUND AND OB0ECTI/ES
'ince decades attempts have been made to find an alternative measurement for
gestational age and birth weight estimation of the newborns. ppropriate and timely care
of a low birth weight newborn is important but this is difficult in developing countries
since most of the deliveries are conducted at home where ade#uate facilities to weigh a
newborn does not e+ist. 0oot length has been studied by various authors as pro+y
measurement which can be measured easily in sick and preterm newborns. "his study
was done to find correlation of foot length with gestational age and other anthropometric
measurements 3birth weight, head circumference and crown heel length4.
METHODOLOGY
'tudy sample of 788 newborns were selected by simple random sampling
techni#ue born at Cheluvamba &ospital attached to Mysore Medical College and
Research Institute, Mysore from December 988: to ;ovember 9887. )abies with limb
deformities were e+cluded from the study group. %estational age was assessed by
;ew )allard score and babies were grouped into term, preterm and post
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RESULTS
In the study male newborns were >?@ and female A:@. In the study group
98? babies 39>.A@4 were low birth weight babies. >98 newborns 3B>@4 had birth weight
in the range of 9.>
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P % 6.
I. ODU 0 E
9. Dl/ A
OF
s. ST
:.
!7.
E8.
i4 )--RD CORE 1
ij) 5) CO GO
iii) E
iv4 "& PP/D E
) TER HART E
+i
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LIST OF TABLES
Ta!(e
No.
Tit(e Pae
No.
6 Identifiable causes of preterm birth 6>
5 0actors often associated with intrauterine growth retardation 5?
@ 'e+ distribution of babies based on their birth weight 2
Descriptive statistics of birth weight under different categories 2?
2
Distribution of babies according to their maturity and weightDescriptive statistics of head circumference for different groups of
babies>
64
66
Descriptive statistics of crown heel length for different groups of
babies
Correlation between foot length and other variables for preterm %
34
36
65 Correlation between foot length and other variables for preterm '% 3@
6@ Correlation between foot length and other variables for term % 32
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Ta!(e
No.
Tit(e Pae
No.
6 Correlation between foot length and other variables for term '% 33
62 Correlation between foot length and other variables for term -% 3>
6 Correlation between foot length and other variables for post
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LIST OF FIGURES
Fire
No.Tit(e Pae
No.
6 "he vicious cycle of low birth weight babies in developing countries 5>
5 ;ewborn maturity rating and classification 3;ew )allard 'core4 @
@ 'liding calipers used for measuring foot length 26
Demonstration of measurement of foot length using sliding caliper 26
2 Demonstration of measurement of head circumference using a fle+ible, 25non Mean birth weight with respect to birth weight groups 2>
64 Classification of newborns according to their maturity 4
66 Classification of newborns according to their weight
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1
INTRODUCTION
/arly in this millennium, India and ;ations around the world committed
themselves to achieve the Millennium Development %oals. %oal factor aims to
reduce under > mortality by 9*?rd
between E8. "his means reducing
under > mortality to ?B per E888 live births and the Infant Mortality Rate to
9:*E888 live births. "oday, while there have been encouraging signs, IndiaHs IMR
remains high at >7*E888 livebirths.
"he most challenging part of infant mortality is the large proportion of
new born deaths, contributing to an estimated BA@ of all infant deaths, mostly
in the first week of life.E
Ma$or causes of neonatal mortality are diseases
associated with preterm birth, low birth weight babies3-)24 and lethal congenital
anomalies.
"hus birth weight is an important indicator of survival, future growth and
overall development of the child. It is associated with socio
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3
"his alternative measurement should be easy to be conducted even by
ine+perienced health care staff and should have a very little intra and inter
observer variability.>
"he techni#ue used for measuring such a parameter should
be simple so that even an untrained health care staff can do the measurement
reliably. 0oot length is one such parameter which can be measured easily in
preterm and sick neonates without disturbing thebaby.
"his study is being done to find a correlation between foot length,
gestational age and other anthropometric measurements.
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4
OB0ECTI/ES
E. "o study the correlation of foot length and gestational age among preterm,
term and post
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5
RE/IE: OF LITERATURE
Histori)a( As-e)ts
In E7A, the first world health assembly recogni=ed the importance of
prematurity as a worldwide cause of infant deaths and adopted an international
definition of prematurity, i.e. a baby whose birth weight is less than 9>88 g. "he
2&6 e+pert group on prematurity endorsed this international definition but
reali=ed that it would not be applicable in each and every country.B
In many parts of the world the international definition proved useful for
separating off babies which re#uired some form of special care, but in other
countries the use of this standard resulted in unusually high proportions of
premature babies, many of whom were not born preterm and did not seem to
re#uire any special care. "his led to local adoption of various low birth weight
standards which created confusion and prevented comparisons.
"he time for re88 gm and less at birth were born after ?: weeks of gestation but with a low
birth weight. In view of the convincing evidence that many of the babies included
in the international definition were not born prematurely, an e+pert committee on
maternal and child health 32&6, EBE4 recommended that concept of
prematurityH should give way to that of low birth weightH.
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6
'ince decades many authors have studied the utility and reliability of
anthropometric parameters as an alternative for gestational age and birth weight
assessment.
Parameters such as chest and arm circumference and length of the baby
and its correlation with birth weight were analy=ed in a study done by
;ikorn Dusitsin.:
"his study was done to find an alternative to birth weight
measurement so that it can be used at primary health care level in developing
countries like India, where ma$ority of births are conducted at home and the
measurement of birth weight is very difficult due to nonB cm4 and a mid arm
circumference of 7. cm which corresponded well with birth weight of 9.> kg and
a home made measuring tape has been devised based on mid arm circumference to
detect birth weights with cut off values for 9>88 g, 9888 g to 9>88 g and 9888 g in
different shades of colour for illiterate birth attendants.9
'harma K; et al concluded that gestational age had a good correlation with
birth weight and crown heel length. "hey also concluded that birth weight had a
very good correlation with mid arm circumference and chest circumference. "hey
have suggested these measurements as an alternative to birth weight and
gestational age assessment.7
)hatia )D et al. concluded that there is a good
correlation between arm circumference and birth weight.
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7
Dubowit= -M' et al. in E:8 described LClinical assessment of gestational
age in the new born infant.E8
)allard K- et al. described a simplified score of fetal
maturation of newly born infantsEE
and in EE published L;ew )allard score,
e+panded to include e+tremely premature infants.E9
;eela K et al. in EE described usefulness of calf circumference as a
measure for screening low birth weight infants.E?
De
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8
Platt -D et al in their study described that the ultrasonic measurements of
fetal foot length gave a reliable assessment of anatomical fetal or neonatal foot
length and was highly correlated to the gestational age of the fetus.E7
(umar %P et al. have reported that gestational age of the fetus can be
estimated from hand and foot length. "hey found that the period of gestation in
weeks can be obtained from foot length by multiplying foot length by ?.A7B? and
adding 7.7BA.E
&ern 2M et al. correlated fetal measurements, especially fetal foot length
with fetal age, as measured by -ast Menstrual Period 3-MP4, for specimens
obtained after dilatation and evacuation and abortion. 0etal measurements,
including weight, knee
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9
especially when other parameters do not accurately predict gestational age as in
conditions like hydrocephalus, anencephaly and short limb dysplasia.9?
Mhaskar R et al in their study of fetuses in the age group E? to A9 weeks
gestation demonstrated a strong correlation between foot length and gestational
age.9A
Daga 'R et al. have suggested foot length corresponding to ?A weeks
gestational age as a cut
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11
%ohil et al found significant relationship between foot length and other
body parameters 3birth weight, crown heel length and head circumference4.
&ighest correlation in preterm babies was with crown heel length and weight, and
in term babies with head circumference. "hey concluded that foot length could be
useful in deriving the surface area more accurately than from birth weight alone
for the calculation of drug dosage and fluid re#uirements in preterms.?9
Madhulika et al. studied E888 live born babies of various gestational ages
to establish normal anthropometric limb standards in newborns. 5arious limb
anthropometric measurements 3upper arm length, hand length, hand breadth, little
finger length, leg length4 were taken and their correlation with gestational age was
analy=ed. 0oot length correlated best with gestational age amongst all the
measurements 3rG8.A4. "hey have suggested that limb standard can be of use in
determining gestational age, intrauterine growth rate and early detection of various
syndromes with abnormal skeletal growth rate as their characteristic features.??
Merlob P et al. in their study have suggested lower limb anthropometry
3total lower limb length, leg length and foot length to be helpful in evaluation of
disproportionate short stature in neonatal skeletal dysplasia. "hese lower limb
standards will help the clinician to discriminate unusual lengths and ratios in
newborns.?A
study was done by (ulkarni et al. to know the range of values for the
foot length in infants from 9B
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12
other anthropometric indices 3birth weight, length4 and foot is usually accessible
for measurement even in preterms nursed in incubators.?>
'hepard "& et al have described a scatter diagram correlating foot length
and gestational age.?B
/mbleton ;D et al in their study used foot length as a predictor of
nasotracheal tube length. "hey found foot length to be a good predictor of
nasotracheal distances than body weight, gestational age and head circumference.
"hey have concluded foot length as a reliable and reproducible predictor of
nasotracheal tube length and an e#uivalent predictor to birth weight estimation
which can be very useful in sick unstable infants.?:
Kohnson MP et al. in their study found that the 3legNarm length4*foot length
ratio was significantly shortened for fetuses with trisomy 9E, on direct necropsy
measurements.?7
Droste ' et al. used ultrasonographic foot length measurement to generate
regression lines for adrenal gland weight.?
Malas M et al. studied about the growth of the upper 3width of the
shoulder and the length of the arms, forearms and hands4 and lower 3width of iliac
crest, knee condyles, feet, and heels and the length of the thighs, legs and feet4
e+tremities of "urkish fetuses during the fetal period. 'tatistically significant
correlations found between foot
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13
mato M et al in EE did a study to compare foot length and
intermamillary distance to gestational age assessment using obstetrical dates,
physical criteria of )allard score and evaluation of anterior vascular capsule of the
lens. "hey concluded that the appropriate use of biometric parameters in the early
postnatal period can be used to improve assessment of gestational age in very low
birth weight infants.AE
Mer= / et al in their study have established age
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14
is important. More accurate tables of these measurements allow for greater
precision in correlating gestational duration and foot length.AA
In a study done by 'hambhu 'haran 'hah et al., foot length was found to
be best correlating with birth weight 3r G 8.9, p F 8.88E4 and foot length was
recommended as a pro+y measurement to birth weight assessment.A>
Mullany -C et al. conducted a study to compare the validity of chest
circumference and foot length as surrogate anthropometric measures for
identification of low birth weight and very low birth weight infants. "hey
concluded that for identification of very low birth weight infants, foot length
performed well and may be preferable to chest circumference as the former
measure does not re#uire removal of infant clothes.AB
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15
FETAL GRO:TH AND DE/ELOPMENTA:,A7
"he most dramatic events in growth and development occur before birth.
"hese changes are overwhelmingly somatic, i.e. the transformation of a single cell
into an infant. "he uterus while offering a degree of protection is affected
by social, psychological and environmental influences. "he comple+ interplay
between these forces and the physical transformations occurring in
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16
B. Feta( Perio#
0rom th
week onwards fetal somatic changes consist of increase in cell
number and si=e and structural remodelling of several organ systems.
)y E8th week, the face is recogni=ably human. "he midgut returns from the
umbilical cord into the abdomen rotating counter
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17
dendrites and the elaboration of synaptic connections continue at a rapid pace,
making the central nervous system vulnerable to teratogenic or hypo+ic influences
throughout gestation.
BEHA/IOURAL DE/ELOPMENT
Muscle contraction first appears around 7 weeks, soon followed by lateral
fle+ion movements. )y E?
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18
"he wide range of outcomes observed reflects the comple+ interactions
among biologic and social risk and protective factors.
INFANTS OF LO: BIRTH :EIGHT
s per 2&6 criterion, a low birth weight baby is one with a birth weight
of less than 9>88 g 3upto and including 9A g4 irrespective of the period of
gestation. "his definition has less practical significance in countries like India as
most -)2 infants are mature by gestation.
INCIDENCE
In accordance with 2&6 criterion for -)2 about ?8
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19
A. In)i#en)e
bout E8
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20
B. Aetio(o,y
"he mechanisms initiating normal labour are not clearly understood and
much less are known about the factors that initiate labour before term. "here may
be spontaneous onset of premature labour or it may be induced by the obstetrician
to safeguard the interests of the mother or thebaby.
S-ontaneos
"he cause of premature onset of labour is uncertain in most instances. "he
known causes include poor socio
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21
C. P$ysio(oi)a( Han#i)a-sA
6. Centra( ner&os syste"
"he immaturity of nervous system is e+pressed as inactivity and lethargy,
poor cough refle+ and incoordinated sucking and swallowing in babies weighing
less than E788 g or born before ?> weeks of gestation. Resuscitation difficulties at
birth and recurrent apneic attacks are common. Retrolental fibroplasias due to
o+ygen to+icity is limited to babies with a gestation of less than ?> weeks. 6n the
other hand, they are more resistant to to+ic effects of hypo+ia as compared to the
term babies. "hey are e+tremely vulnerable to develop intraventricular8,>E,>9
Premature infants are vulnerable to a wide spectrum of morbidity.
E. Developmental disability
a. Ma$or handicaps 3cerebral palsy, mental retardation4
b. 'ensory impairments 3hearing loss, visual impairment4
c. Minimal cerebral dysfunction 3language disorders, learning
disability, hyperactivity, attention deficit, behaviour disorders4.
9. Retinopathy ofprematurity
?. Chronic lung disease
A. Poor growth
>. Increased rates of post neonatal illness and rehospitali=ation.
B. Increased fre#uency of congenital anomalies.
:. Increased risk of child abuse and neglect.
II. INFANTS :HO ARE SMALL FOR GESTATIONAL AGE
De'inition
"here is no uniform definition of '%, although most reports define it as
two standard deviation below the mean for gestational age or as below the tenth
percentile. number of Lnormal birth curves have been defined using studies of
large infantpopulations.>8
5arious names have been applied to these infants, vi=. light
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27
insufficiency syndrome, etc.?
In developing countries three
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28
dermatoglyphics. "heir cell population is also reduced, resulting in permanent
mental and physical growth retardation.
@. Mie# s"a(('orestationa( ae !a!ies
"hey are the outcome of adverse intrauterine environmental influences
operating from early or mid pregnancy. "hese infants, though small for the period
of their gestation, neither look obviously malnourished or grossly hypoplastic.
"hey show varying degrees of reduction in cell population and si=e.
Ta!(e 5= Fa)tors o'ten asso)iate# it$ intraterine rot$ retar#ationA:
6. Feta(
Chromosomal disorders 3e.g. utosomal trisomies4
Chronic fetal infections 3e.g. cytomegalic inclusion disease, congenital
rubella, syphilis4
Congenital anomalies syndrome comple+es
Radiation in$ury
Pancreatic hypoplasia
Multiple gestation
5. P(a)enta(
Decreased placental weight or cellularity orboth
Decrease in surface area
5illous placentitis 3bacterial, viral,parasitic4
Infarction
bruption
Previa
"umour 3chorioangioma, hydatidiform mole4
"win transfusion syndrome
@. Materna(
"o+emia
&ypertension or renal disease, orboth
&ypo+ia 3high altitude, cyanotic cardiac or pulmonary disease4
Malnutrition or chronic illness
'ickle cell anaemia and other hemoglobinopathies
Drugs 3narcotics, alcohol, cigarettes, cocaine, antimetabolites4
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29
'hort and light
ndernourished mother
3illiteracy,poverty4
'mall 'mall
boy girl
Q 'mall uterus ;eglect and ill health
Poor nutritional Poor nutrition during
stores, anaemia, childhood
fre#uentpregnancies
-ack of schooling
and education
Poor adolescent
growth spurt
Fire 6= T$e &i)ios )y)(e o' (o !irt$ ei$t !a!ies in #e&e(o-in )ontriesA
Cases
0rom the table 9, it is obvious that cause may rest with the mother, placenta
or the fetus itself. Infant with intrauterine growth retardation has small placenta
but fetoplacental ratio is unaffected and varies between >.>!E to B!E
6. Materna( Ma(ntritionA
Relatively high incidence of small
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affecting fetal growth. 'mall newborn baby of these mothers may grow up to
become a small girl due to altered growth potential and e+posed to further
deleterious effects of socio
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31
demonstrated that supplementation of iron and folic acid during last trimester of
pregnancy is associated with increased mean weight of the off
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32
3. Birt$ or#er
Primiparas have a higher percentage of -)2 babies than women of other
parity. 6n the other hand, birth weight is also adversely affected in grand
multipara women 3i.e. para ? and more4.A
?. Se
0emale infants weigh lesser than male infants of comparable gestational
age.
>. Mis)e((aneos )ases
a. Materna( s!stan)e a!se like smoking, tobacco chewing and alcohol
consumption cause -)2 babies. "he incidence of low birth weight doubles if the
pregnant woman smokes more than 98 cigarettes per day. If a pregnant woman
chews A88 mg of tobacco everyday, the birth weight of the baby is reduced by
upto >A9g compared to control women. If a mother consumes two alcoholic drinks
everyday during pregnancy, the birth weight of the baby is reduced on an average
by E>>g.A
!. A(tit#e= ltitude is not a simple variable but involves cosmic radiation,
decreased partial pressure of o+ygen, increased ultraviolet radiation, decreased
humidity and temperature. &igher the altitude more the incidence of -)2.
MANAGEMENT OF THE SGA INFANT AT BIRTH
a. De(i&ery= /arly delivery is necessary if the risk to the fetus of remaining
in utero is considered greater than the risks of prematurity. %enerally
indications for delivery are arrest of fetal growth, fetal distress, andpulmonary
maturity near term, especially in a mother with hypertension. If there is poor
placental blood flow, the fetus may not tolerate labour and may re#uire
caesarean delivery.
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'% infants are at risk for perinatal problems and often re#uire speciali=ed
care in the first few days of life. "herefore, if possible, delivery should occur at a
centre with a high risk care nursery. "he delivery team should be prepared to
manage fetal distress, perinatal depression, meconium aspiration, hypo+ia,
hypoglycemia and heat loss.
!. In t$e nrsery
i Ne!orn ea"ination= "he infant should be evaluated for any of the causes
listed in table 9 especially chromosomal abnormalities, malformations and
congenital infection.
6. Infants who had growth restriction due to factors influencing the last
part of pregnancy 3e.g. maternal renal disease, pre
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34
ii Pat$o(oi) ea"ination o' t$e -(a)enta 'or in'ar)tion or )on,enita(
in'e)tion "ay !e $e(-'(.
iii Genera((y sero(oi) s)reenin 'or )onenita( in'e)tion is not in#i)ate#
n(ess $istory or ea"ination sests in'e)tion as a -ossi!(e )ase.
i& E&a(ation 'or t$e 'o((oin )o"-(i)ations re(ate# to IUGR is #one an#
a--ro-riate(y "ana,e#
E. Congenital anomalies
9. Perinatal depression
?. Meconium aspiration
A. Pulmonary hemorrhage
>. Persistent pulmonary hypertension
B. &ypothermia
:. &ypoglycemia
7. &ypocalcaemia
. cute tubular necrosis*renal insufficiency
E8. Polycythemia
EE. "hrombocytopenia
E9.;eutropenia
). S-e)i'i) Manae"ent )onsi#eration
i. Fee#in= '% infants in general re#uire more calories per kg than % infants
for Lcatch
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35
ii. 'erum calcium levels may be significantly depressed in preterm '% infants
and*or those who have e+perienced hypoperfusion.
iii. "he serum sodium concentration may also be low.
Lon ter" -ro!(e"s o' SGA in'ants>8,>9,>?,>A
It is difficult to determine specific effects of I%R because there are often
overlapping effects from prematurity and asphy+ia, and also because of the
multifactorial etiologies involved. "hese infants are at risk for poor postnatal
growth and neurologic and developmental handicaps. "hese handicaps occur even
in the absence of specific fetal disease 3e.g. chromosomal abnormalities4. "his is
especially true in those who suffered perinatal asphy+ia or hypoglycemia 3orboth4
at birth. 0or any weight group the total percentage of infants who either die before
one year of age or are handicapped at one year is similar for '% and %
infants. &owever, '% infants have less risk of neonatal death compared with
preterm % infants of same birth weight but a greater risk of morbidity at one
year of age.
0inally, some adults who were '% at birth appear to have a higher risk of
coronary heart disease and related health problems, including hypertension,
non
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36
9. "he health of mother and fetus should be assessed throughout pregnancy by
ultrasound and non8
?. /arly delivery should be considered if fetal growth ispoor.
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37
LARGEFORGESTATIONAL AGE INFANTS
De'inition
"he newbornHs birth weight is two standard deviations above the mean or
above the ninetiethpercentile.
Aetio(o,y
E. Constitutionally large infants 3infants of largeparents4
9. Infants of diabetic mothers 3e.g. classes , ) and C4
?. 'ome post term infants
A. )eckwith2iedemann and other syndromes Marshall
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POSTMATURITY>8
De'inition
"he newbornHs gestational age e+ceeds A9 weeks.
Aetio(o,y
"he cause of prolonged pregnancy is unknown in most cases. "he
following are known associations.
E. Anen)e-$a(y! n intact fetal pituitary adrenal a+is is involved in the initiation
of labour. Disruption in this a+is causespostmaturity.
9. "risomies EB and E7
?. 'eckel syndrome 3bird< headed dwarfism4
A. /rroneous estimation of gestational age.
SYNDROME OF POSTMATURITY
Postmature infants usually have normal length and head circumference. If
they have postmaturity syndrome, however, they would have begun to lose weight.
'% infants also may have these signs and symptoms and postmature infants may
also be '%.
Postmature infants are classified clinically as follows.
E. 'tage E
a. Dry, cracked, peeling, loose and wrinkled skin.
b. Malnourished appearance
c. Decreased subcutaneous tissue
d. 6pen eyed and alertbaby.
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39
9. 'tage 9
a. ll features of stage E
b. Meconium staining of amniotic fluid
c. Perinatal depression 3in some cases4
?. 'tage ?
a. "he findings in stage E and 9
b. Meconium staining of cord and nails
c. higher risk of fetal, intrapartum or neonatal death
RIS*
"here is an increase in mortality with postmaturity. It was shown that
careful induction of delivery or caesarean section after A9 weeks resulted in a
decreased mortality compared with the results seen following conservative
e+pectant therapy.
MANAGEMENT
E. Prepartum management
a. Careful estimation of true gestational age, including date from
ultrasonic e+amination.
b. Careful monitoring of fetal wellbeing.
9. Intrapartum management involves use of fetal monitoring and preparation for
possible perinatal depression and meconium aspiration.
?. Postpartum management
a. /valuations for complications related to postmaturity the following
conditions occur more fre#uently in postmature infants.
i. Congenital anomalies
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40
ii. Perinatal depression
iii. Meconium aspiration
iv. Persistent pulmonary hypertension
v. &ypoglycemia
vi. &ypocalcemia
vii. Polycythemia
b. /arly feeding for proper nutritional support is important.
s both I%R babies and preterm babies are very delicate and re#uire
speciali=ed care starting from day one of life to prevent all the above said
complications it becomes very important to identify low birth weight babies and
preterm babies at the earliest. )ut as statistics show most of the neonatal mortality
occurs in rural setting i.e. ?>.> per E888 live births compared to the >.: per E888
live births in urban settings. 2hen no medical care facilities are available neonatal
mortality is >?.B per E888 live births compared to 99.9 per E888 live births in a
place where all three levels of neonatal care are available. ;eonatal mortality is
EE8 per live births in low birth weights compared to ?8 per E888 live births in
average si=ed babies.?
"hese statistics tell neonatal mortality is A times greater in
very small babies compared to average babies, and B times more in rural setting
compared to urban setting and 9.> times more in a place where no medical care
facilities are available compared to a setup with all three levels of health care
available.
2here ade#uate surveillance and treatment are not possible locally, or the
response to treatment is unsatisfactory, infants should be referred to an appropriate
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41
health care establishment. 'urveillance and referral are even more important for
very
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42
GESTATIONAL AGE ESTIMATION AT BIRTH
OBSTETRIC INFORMATION>8
"he review of following obstetric data helps in gestational age assessment
atbirth.
. "he clinical estimate of gestational age is usually made through careful history
of the -MP. "he gestational age is calculated from the first day of the -MP.
"his, accompanied by physical e+amination forms the baseline criteria for
estimating gestational age. &owever, the maternal recall of the first day of the
-MP is fraught with error.>>
n additional ob$ective assessment then becomes
necessary.
). ltrasonic estimation of gestational age.>B
%estational age assessment is done
by the retrospective study of antenatal ultrasound e+amination. /arly second
trimester ultrasound e+amination is considered the gold standardH in the
estimation of gestational age. "he accuracy with which gestational age canbe
estimated by biparietal diameter 3)PD4 decreases with increasing gestational
age. "he length of the calcified fetal femur is often measured and used in
validating )PD measurements or used alone in circumstances where )PD
cannot be measured 3e.g. deeply engaged fetal head4 or is inaccurate 3e.g.
hydrocephalus4.
C. Date of first recorded fetal activity L#uickening is first felt at appro+imately
EB
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43
NE:BORN INFORMATION
Ne Ba((ar# S)ore
"he tone, posture and physical appearance of the baby are considered to
make a composite score. "his composite score is used to assess the newbornHs
likely gestational age in the period immediately after birth. 30igure 94
Fire 5= Ne!orn "atrity ratin an# )(assi'i)ation Ne Ba((ar# S)ore
'ource! )allard et al., ;ew )allard 'core, e+panded to include e+tremely premature infants. K PediatrEEEE!AE:
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CLASSIFICATION OF INFANTS BY
GESTATIONAL AGE AND BIRTH :EIGHT
I. Infant classification by gestational age 3independent of birth weight, 2&6
E>84
Pre88 g
less than that of merican newborn of same gestational age. It was assessed by
Indian workers that 9888 g or less should be taken as the criterion of -)2 of
Indian infants.>:
5ery low birth weight. 35-)24! FE>88 g
/+tremely low birth weight ! FE888 g
Impossibly or incredibly low birth weight ! F :>8 g
III. Classification of infants depending on both gestational age and birth weight
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0or each gestational age, a newborn can be appropriate for gestational age
3%4, small for gestational age 3'%4 or large for gestational age 3-%4.
5arious criteria 3i.e. cut
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47
CHEST CIRCUMFERENCE
It is measured at the level of nipple * at the level of fourth costosternal
$oint.9,E>
"here is less chance of systematic or random error in estimation of chest
circumference for the following reasons.
E. "he level at which it is measured is based on bony land marks.
9. It has got larger cross section compared to other anthropometric measurements
such as mid arm circumference.
MID1ARM CIRCUMFERENCE>:,>7,>
"o identify the position of the mid
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PROPORTIONALITY INDICES
"he most commonly used inde+ of neonatal body proportionality relates
birth weight to length.
RohrerHs Ponderal inde+ is e#ual to one hundred times the birth weight 3in
grams4 divided by the cube of birth length 3cm?4.
)irth weight 3in g4
RohrerHs Ponderal Inde+ G + E88)irth length 3in cm4
?
6ther proportionality indices that relate head circumference to length
3&C*length4 or chest circumference to length 3CC*length4 for e+ample have been
studied occasionally but further research would be needed to show that they offer
any advantage over the indicators previously mentioned.B
OTHER MEASUREMENTS
'kin fold thickness It has been used to assess newborn adiposity. 'ince
measurement of skin fold thickness is relatively imprecise, it is not currently
recommended for purposes of routine assessment.B
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49
METHODOLOGY
MATERIALS
A Sor)e o' Data
"he study sample of 788 live newborns were selected by simple random
sampling techni#ue born at Cheluvamba &ospital attached to Mysore Medical
College and Research Institute, Mysore from December 988: to ;ovember 9887
3one year4.
In)(sion Criteria
-ive newborns of different gestational ages within :9 hours of birth.
E. Pre
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METHOD OF COLLECTION OF DATA
Data was collected using standard proforma meeting the ob$ectives of the
study.
a Gestationa( ae assess"ent was done using modified )allardHs score
3nne+ure 3i44.
! Foot (ent$ was measured using sliding calipers which is having an accuracy
of a millimeter. 0oot length was measured from posterior most prominence of foot
to the tip of the longest toe of the right foot. t the time of measuring ventral
surface of foot was straightened out using gentle pressure. "he length of foot was
documented in centimeters.
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51
Fire @= S(i#in )a(i-ers se# 'or "easrin 'oot (en,t$
Fire = De"onstration o' "easre"ent o' 'oot (ent$ sin s(i#in )a(i-er
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53
# Cron $ee( (ent$ was measured using infantometer. n assistantHs help was
sought to do the length measurement. )abyHs lower limbs were straightened out
before doing the measurement. Measurement was documented in centimeters.
Fire = De"onstration o' "easre"ent o' )ron $ee( (ent$ sin,
in'anto"eter
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54
e :ei$t o' t$e !a!y was measured using electronic weighing scale. "he scale
offered an accuracy of > gms. ll the dress of baby was removed before
weighing.
Fire 3= Birt$ ei$t "easre# sin e(e)troni) ei$in s)a(e
)abies were grouped into preterm, term and post
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55
number of babies in this group were very less to be statistically significant. "here
were no babies in preterm -% group.
"he correlation between foot length and other parameters such as
gestational age, birth weight, head circumference and crown heel length was
analy=ed by applying correlation and regression analysis. Correlation coefficient
3r4 values and R s#uare 3r94 values were derived for the seven groups of babies
who have undergone analysis. 'catter diagram was plotted to demonstrate the
correlation between foot length and other anthropometric parameters.
Regression e#uation was derived to predict gestational age from foot length
in various groups ofbabies.
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56
RESULTS
Ta!(e @= Se #istri!tion o' !a!ies !ase# on t$eir !irt$ ei,$t
Birt$ei,$t
+,
Ma(e Fe"a(e Tota(
N"!er N"!er N"!er
F 9.> E8B E?.? : E9.E 98? 9>.A
9.>
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Ta!(e = Des)ri-ti&e statisti)s o' !irt$ ei$t n#er #i''erent )ate,ories
Birt$
ei,$t
+,
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer!on#
U--er!on#
F 9.> 98? 8.:
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2.8221
1.9696
Meanofbirthweight
Fire >= Mean !irt$ ei$t it$ res-e)t to !irt$ ei$t ,ro-s
3.65194
3.5
3
2.5
2
1.5
1
0.5
0
3.5
Birth weight
"he figure shows the mean of birth weight with relation to birth weight
groups.
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Fire 64= C(assi'i)ation o' ne!orns a))or#in to t$eir "atrity
729!"
12415.5!"
60475.5!"
#er$ %re-ter$ %o&t-ter$
Pie chart showing the classification of newborns according to their
maturity.
Fire 66= C(assi'i)ation o' ne!orns a))or#in to ei$t1'or1estationa( a,e
35?
64565.?
AGA
SGA
LGA
Pie chart showing the classification of newborns according to weight
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Ta!(e 2= Distri!tion o' !a!ies a))or#in to t$eir "atrity an# ei,$t1'or1
estationa( a,e
Matrity
AGA SGA LGA Tota(
No. No. No. No.
"erm >8 B?.B :9 .8 9? 9. B8A :>.>
Pre term EE8 E?.: EA E.7 8 8 E9A E>.>
Post term >? B.B EB 9.8 ? 8.A :9 .8
"otal B:9 7?. E89 E9.7 9B ?.? 788 E88
6f the total 788 newborns, "erm %, "erm '% and "erm -% were
>8 3B?.B@4, :9 3.8@4 and 9? 39.@4 respectively.
Preterm % and preterm '% were EE8 3E?.:@4 and EA 3E.7@4,
respectively.
Post
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'($berofnewborn&
Fire 65= Distri!tion o' !a!ies a))or#in to t$eir "atrity an# ei,$t1'or1
estationa( a,e
550 509
500
450
400
350
300
250
200
150
100
50
0
110
53
72
14 1623
0 3
)*) +*) ,*)
eight-for-ge&tationa age
#er$
%re ter$
%o&t ter$
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Ta!(e = Des)ri-ti&e statisti)s o' 'oot (ent$ 'or #i''erent ro-s o' !a!ies
Matrity
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer!on#
U--er!on#
Preterm
'% EA A.::E 8.:88 >.:A:7 B.>BB>
Preterm
% EE8 A.>BA9 B.>7: B.78?8
"erm
'% :9 >.AB :.E>::
"erm
% >8 B.::8? 8.??:? :.>AE8 :.>:
"erm
-% 9? :.?? 7.99A?
Post:E cms, respectively. "he mean
foot length for term %, '% and -% was :.>:8?, :.8AE: and 7.8?E cms,
respectively. "he mean foot length for post
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Preter" Preter" Ter" Ter" Ter" Post1 Post1 Post1
SGA AGA SGA AGA LGA ter" ter" ter"
SGA AGA LGA
Mean'oot(en,t$C)"E
Fire 6@= Mean 'oot (ent$ in #i''erent ro-s o' !a!ies
>
?
3 .6236
2
@
5
6
4
.>3.463
3.234@?.4@>6
3.2???.463
?.53
Matrity Gro-s
"his figure shows the mean foot length for various groups of neonates.
0igure shows that mean foot length increases as the gestational age increases.
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Ta!(e 3= Des)ri-ti&e statisti)s o' estationa( ae 'or #i''erent ro-s o' !a!ies
Matrity
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer
!on#
U--er
!on#
Preterm
'% EA 97.:9?
Preterm
% EE8 9B> 9.?>:? ??.:888 ?A.>8
"erm
'% :9 ?B
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Preter" Preter" Ter" Ter" Ter" Post1 Post1 Post1
SGA AGA SGA AGA LGA ter" ter" ter"
SGA AGA LGA
MeanGestationa(a,eCD+sE
Fire 6= Mean estationa( ae o' #i''erent ro-s o' !a!ies
2
@2
@4
52
54
62
64
2
4
@?.3@?.>6>
@>.5635 5 5
Matrity Gro-s
"his figure shows the relation between mean gestational age and various
groups ofbabies.
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Ta!(e ?= Des)ri-ti&e statisti)s o' !irt$ ei$t 'or #i''erent ro-s o' !a!ies
Matrity
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer
!on#
U--er
!on#
Preterm
'% EA 8.:
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Preter" Preter" Ter" Ter" Ter" Post1 Post1 Post1
SGA AGA SGA AGA LGA ter" ter" ter"SGA AGA LGA
Mean!irt$Dei,$tC+,E
Fire 62= Mean o' !irt$ ei$t in #i''erent ro-s o' !a!ies
.2@.?3
@.2
@
5.4665.65>>
5.?5?
5.2@6
@.55@
5
6.2
6
4.2
4
6.@>@
Matrity
Gro-s
"his figure shows the relation between the mean of birth weight for
different groups of babies. Post
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Ta!(e >= Des)ri-ti&e statisti)s o' $ea# )ir)"'eren)e 'or #i''erent ro-s o'
!a!ies
Matrity
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer!on#
U--er!on#
Preterm
'% EA 9E.>
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Ta!(e 64= Des)ri-ti&e statisti)s o' )ron $ee( (ent$ 'or #i''erent ro-s o'
!a!ies
Matrity
N"!er
o'
s!%e)ts
Ran,e MeanStan#ar#
De&iation
>2 )on'i#en)e
inter&a( 'or "ean
Loer
!on#
U--er
!on#
Preterm
'% EA ?A8 A8E A:.EE>? E.::A AB.A?E A:.97:>
"erm
-% 9? A>9 A7.>9E: 9.E9? A:.>:?: A.AB7
Post
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Ta!(e 66= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or -reter"
AGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age
3weeks4 EE8 8.7E8 8.B>B 8.888
)irth weight
3kg4 EE8 8.:B> 8.>7B 8.888
&ead circumference
3cms4 EE8 8.:9E 8.>E 8.888
Crown heel length
3cms4 EE8 8.:98 8.>E 8.888
0rom this table, it could be observed that the foot length correlated
significantly 3p F 8.8>4 with gestational age, birth weight, head circumference and
crown heel length. Correlation coefficient 3r
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/ea01ir1($feren1e1$"
*e&tationa.agew2&"
3rownhee..ength1$"
Birthweight2g
"
Fire 6= S)atter #iara" o' t$e -reter" AGA ,ro-
45
40
35
30 *)
25
20
4 6 8
oot ength$"
3.5
3
2.5
2
1.5
1
0.5
0
4 6 8
oot ength$"
B wt
3836
34
32
30
28/
26
24
22
20
4 6 8
oot ength$"
50
45
40
35
30
4 6 8
oot ength$"
/,
"his scatter diagram of the preterm % group shows correlation of foot
length and other parameters like gestational age, birth weight, head circumference
and crown heel length. It is evident from the figure that the foot length correlated
significantly with all the variables. Ma+imum correlation was with gestational age
3r G 8.7E84.
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Ta!(e 65= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or -reter"
SGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age
3weeks4 EA 8.:A7 8.>> 8.889
)irth weight
3kg4 EA 8.7E> 8.BB> 8.888
&ead circumference
3cms4 EA 8.:: 8.B?B 8.88E
Crown heel length
3cms4 EA 8.:7B 8.BE7 8.88E
"he foot length correlated significantly 3p F 8.8>4 with all the other
anthropometric variables. Correlation coefficient 3r4 which indicates strong positive association between them.
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/ea01ir1($feren1e1$"
*e&tationa.agew2&"
Birthweight2g"
3rownhee..ength1$"
Fire 63= S)atter #iara" o' t$e -reter" SGA ,ro-
39
37
3533
31 *)
29
27
25
4 6 8
oot ength$"
2.5
2
1.5
1
0.5
0
4 6
oot ength$"
Bt
34
32
30
28
26/
24
22
20
4 4.5 5 5.5 6 6.5 7 7.5
oot ength$"
4846
44
42
40
38
36
34
32
30
4 6
oot ength$"
/,
"his scatter diagram of the preterm '% group shows correlation of foot
length and other parameters. "his figure shows significant correlation of foot
length with all the four parameters, ma+imum being with birth weight 3r G 8.7E>4.
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Ta!(e 6@= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or ter" AGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age3weeks4
>8 8.AA8 8.EA 8.888
)irth weight
3kg4 >8 8.A> 8.9A> 8.888
&ead circumference
3cms4 >8 8.?>E 8.E9? 8.888
Crown heel length
3cms4 >8 8.A>9 8.98> 8.888
0rom this table, it could be observed that the correlation of foot length with
other anthropometric variables was significant 3p F 8.8>4. Correlation coefficient
3r
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/ea01ir1($feren1e1$"
*e&tationa.age
w2&"
3rownhee..ength1$"
Birthweight2
g"
Fire 6?= S)atter #iara" o' t$e ter" AGA ,ro-
43
42
41
40
39
38 *)
37
36
35
6.5 7 7.5 8 8.5 9
oot ength$"
4
3.5
3
2.5
2
1.5
6.5 7 7.5 8 8.5 9
oot ength$"
B wt
37
35
33
31
/29
27
25
6.5 7 7.5 8 8.5 9
oot ength$"
5553
51
49
47
45
43
41
39
37
35
6.5 7.5 8.5
oot ength$"
/,
"his scatter diagram shows correlation of foot length and other variables in
term % group. 0oot length correlated significantly with all the variables,
ma+imum being with birth weight 3r G 8.A>4.
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Ta!(e 6= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or ter" SGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age3weeks4
:9 8.A7E 8.9?9 8.888
)irth weight
3kg4 :9 8.B:> 8.A>B 8.888
&ead circumference
3cms4 :9 8.>A? 8.9> 8.888
Crown heel length
3cms4 :9 8.B?B 8.A8A 8.888
"he foot length correlated significantly 3p F 8.8>4 with gestational age,
birth weight, head circumference and crown heel length. ll the parameters
showed positive correlation coefficient 3r4.
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hea01ir1($feren1e1$"
*e&tationa.age
w2&"
3rownhee..ength1$"
Birthweight2
g"
Fire 6>= S)atter #iara" o' t$e ter" SGA ,ro-
40.5
40
39.5
3938.5
38
37.5
37
36.5
36
35.5
*)
5 5.5 6 6.5 7 7.5 8 8.5
oot ength$"
4
3.5
3
2.5
2
1.5
1
0.5
0
5 7
oot ength$"
Bt
36
34
32
30
28
26 /
24
22
20
5 5.5 6 6.5 7 7.5 8 8.5
oot ength$"
5048
46
44
42
40
38
36
34
32
30
5 7
oot ength$"
/,
"his scatter diagram shows correlation of foot length and other parameters
like gestational age, birth weight, head circumference and crown heel length in
term '% group of babies. It can be observed that foot length correlated
significantly with all the parameters. Ma+imum correlation was with birth weight
3r G 8.B:>4.
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Ta!(e 62= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or ter" LGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age3weeks4
9? 8.977 8.87? 8.E7?
)irth weight
3kg4 9? 8.8A 8.889 8.79B
&ead circumference
3cms4 9? 8.9EA 8.8AB 8.?97
Crown heel length
3cms4 9? 8.EA9 8.898 8.>E7
"here was no correlation between foot length and any of theparameters.
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/ea01ir1($feren1e1$"
*e&tationa.age
w2&"
Birth-eight2g"
3rownhee..ength1$"
Fire 54= S)atter #iara" o' t$e ter" LGA ,ro-
40.5
40
39.5
39
38.5
38
37.5
*)
7 7.5 8 8.5 9
oot ength$"
4.6
4.4
4.2
4
3.8
3.6
3.4
3.2
3
7 7.5 8 8.5 9
oot ength$"
B wt
36
35.5
35
34.5
34
33.5
33
32.5
32
31.5
/
7 7.5 8 8.5 9
oot ength$"
5352
51
50
49
48
47
46
45
44
7 7.5 8 8.5 9
oot ength$"
/,
"his scatter diagram of term -% group shows correlation of foot length
and other parameters like gestational age, birth weight, head circumfernece and
crown heel length. "he figure shows no correlation between foot length and any of
theparameters.
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Ta!(e 6= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or -ost1ter"
AGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age
3weeks4 >? 8.8?: 8.88E 8.:9
)irth weight
3kg4 >? 8.A9A 8.E78 8.889
&ead circumference
3cms4 >? 8.9:> 8.8:> 8.8A:
Crown heel length
3cms4 >? 8.EAB 8.89E 8.9:
"he foot length correlated significantly 3p F 8.8>4 with birth weight and
head circumference. "here was no correlation of foot length with gestational age
and crown heel length. Correlation coefficient was more with birth weight
3r G 8.A9A4 among post
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Ta!(e 63= Corre(ation !eteen 'oot (ent$ an# ot$er &aria!(es 'or -ost1ter"
SGA
Ant$ro-o"etri)
&aria!(es
N"!er o'
s!%e)ts
Corre(ation
r
R1sare
r5
-1&a(e
%estational age
3weeks4 EB 8.?A 8.E>> 8.E?E
)irth weight
3kg4 EB 8.B7> 8.A:8 8.88?
&ead circumference
3cms4 EB 8.E?8 8.8E: 8.B?9
Crown heel length
3cms4 EB 8.9BE 8.8B7 8.?97
0rom this table, it could be observed that foot length correlated 3p F 8.8>4
only with birth weight 3r G 8.B7>4. "here was no correlation between foot length
and other variables.
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Ta!(e 6?= Reression eation o' estationa( ae on 'oot (en,t$
Matrity De-en#ent &aria!(e Reression eation
Preterm % 0oot length %GEE.A::BN?.?7>E 0-
Preterm '% 0oot length %GE.7B?BN9.?B>> 0-
"erm % 0oot length % G 97.89ANE.?9?9 0-
"erm '% 0oot length %G?E.:>?EN8.7E7 0-
"erm -% 0oot length %G??.79EN8.B:8? 0-
PostN8.?9B 0-
Post
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DISCUSSION
"he early identification of low birth weight babies is an important pre
where E888
newborns were studied, showed a birth weight range of 8.7>@ term babies. (ulkarni et al.?>
study
showed E:.>@ preterm and 79.A@ term neonates. Kames et al.?E
study showed
:B.A@ term and ?.B@ preterm neonates. 'hambhu 'haran 'hah et al.A>
study
showed 9.@ term, B.:@ preterm and 8.A@ post
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study which showed E?.9@ small for gestational age, 7A.7@ appropriate for
gestational age and 9.E@ large for gestational agebabies.
"erm %, '% and -% in present study were B?.B@, @ and 9.@,
respectively. Preterm % and '% were E?.:@ and E.7@, respectively.
Post@ and 9@, respectively, preterm % and '% babies were B@ and 8.:@,
respectively and post.A:8? cm and 7.8?E cm for term '%, %
and -%, respectively. "he foot length for post
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% which is similar to present study. Kames et al.?E
study showed mean
head circumference for term % and term '% as ?A.8? 9.77 cm and
?9.B E.?9 cm, respectively which is comparable to present study.
"he crown heel length of the preterm neonates in the present study ranged
from ?9 cm to A cm with a mean crown heel length of A8.9E cm and A9.7 cm for
preterm '% and preterm % respectively. "his is comparable to %ohil KR
et al.?9
study which showed a mean crown heel length of A9.: 9.87 cm for
preterm babies. "he crown heel length of term neonates ranged from ?7 cm to
>9 cm with a mean of AA.7 cm, A:.E cm and A7.> cm for term '%, term %
and term -%, respectively. "his is comparable to %ohil KR et al.?9
study which
showed mean crown heel length of term '% as AB.9E E.9? cm and of term
% as A7.?B ?.E? cm. Kames et al.?E
study also showed similar results with
mean crown heel length in term % neonates as >E.87 9.8> cm and in term
'% neonates as AB.>7
E.BE cm.
"he present study was done to assess the correlation of foot length with
gestational age. lso, other body parameters like birth weight, head circumference
and crown heel length were also assessed for the correlation with foot length.
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St#iesFoot (ent$ to !irt$ ei$t )orre(ation r1&a(e
Preter" Ter" AGA Ter" SGA
Kames et al.?E
3E9?babies4 8.> 8.7 8.E
%ohil KR et al.?9
3?>?babies4 8.9 8.> 8.B
'hambu 'haran 'hah
et al.A>
3E888babies4 8.9 8.7B 8.BA
Present study
3788babies4
Pre1ter" Ter" Post1ter"
SGA AGA SGA AGA LGA SGA AGA
8.7E> 8.:B> 8.B:> 8.A> 8.8A 8.B7> 8.A9A
Foot (ent$ to estationa( ae )orre(ation r1&a(e
Pre1ter" Ter" Post1ter"
SGA AGA SGA AGA LGA SGA AGA
8.:A7 8.7E8 8.A7E 8.AA8 8.977 8.?A 8.8?:
St#ies
Foot (ent$ to )ron $ee( (ent$ )orre(ation
r1&a(e
Preter" Ter" AGA Ter" SGA
Kames et al.?E
3E9?babies4 8.B 8.E 8.77
%ohil KR et al.?9
3?>?babies4 8.9 8.A7 8.BB
'hambu 'haran 'hahet al.
A>3E888babies4
8.7 8.:E 8.B8
Present study
3788babies4
Pre1ter" Ter" Post1ter"
SGA AGA SGA AGA LGA SGA AGA
8.:7B 8.:98 8.B?B 8.A>9 8.EA9 8.9BE 8.EAB
St#ies
Foot (ent$ to $ea# )ir)"'eren)e )orre(ation
r1&a(e
Preter" Ter" AGA Ter" SGA
%ohil KR et al.?9
3?>?babies4 8.7A 8.BA 8.:A
'hambu 'haran 'hah
et al.A>
3E888babies4 8.7> 8.B: 8.A9
Present study
3788babies4
Pre1ter" Ter" Post1ter"
SGA AGA SGA AGA LGA SGA AGA
8.:: 8.:9E 8.>A? 8.?>E 8.9EA 8.E?8 8.9:>
Ta!(e 6>= Corre(ation o' 'oot (ent$ it$ !irt$ ei$t an# estationa( ae in
&arios st#ies r1&a(e
Ta!(e 54= Corre(ation o' 'oot (ent$ an# )ron $ee( (ent$ in &arios st#ies
r1&a(e
Ta!(e 56= Corre(ation o' 'oot (ent$ an# $ea# )ir)"'eren)e in &arios
st#ies r1&a(e
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In the present study, in pre4 with gestational age, birth weight, head circumference and
crown heel length. Correlation coefficient 3r4, head circumference 3r G 8.:9E4 and crown heel length
3r G 8.:984.
In preterm '% neonates, foot length correlated significantly 3p F 8.8>4
with all the parameters. &ighest correlation of foot length was with birth weight
3r G 8.7E>4 followed by head circumference 3r G 8.::4, crown heel length
3r G 8.:7B4 and gestational age 3r G 8.:A74.
In the present study, in term % neonates, foot length correlated
significantly 3p F 8.8>4 with all the parameters gestational age 3r G 8.AA84, birth
weight 3r G 8.A>4, head circumference 3r G 8.?>E4 and crown heel length
3r G 8.A>94.
In term '% babies also, the foot length correlated significantly 3p F 8.8>4
with other anthropometric variables. Correlation coefficient 3r4, head
circumference 3r G 8.>A?4 and crown heel length 3r G 8.B?B4. Ma+imum correlation
was with birth weight.
Kames et al.
?E
study showed that there was a positive linear correlation
between foot length and other indices of body si=e 3birth weight, head
circumference, crown rump length and crown heel length4 in light
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between foot length and birth weight 3r G 8.>4 and foot length and crown heel
length 3r G 8.B4 waspronounced.
In light
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crown heel length in preterm '%, preterm %, term '% and term %
babies and with birth weight in post in preterm % and r G 8.7E> in preterm '%4.
In term babies also, foot length correlated significantly 3p F 8.8>4 with
other anthropometric variables. "he correlation of foot length to birth weight and
crown heel length 3r
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CONCLUSION
'ignificant correlation was observed between foot length and gestational
age in different groups of newborns 3preterm %, preterm '%, term % and
term '%4. 0oot length also correlated with other parameters like birth weight,
head circumference and crown heel length significantly.
"he correlation 3r value4 of foot length with gestational age and other
parameters was higher in preterm neonates 3r G 8.7E8 in preterm % and
r G 8.:A7 in preterm '%4 than in term 3r G 8.AA8 in term % and r G 8.A7E in
term '%4 neonates. "erm '% babies showed higher correlation 3r value4 of foot
length with gestational age and other parameters than term % babies. "he foot
length is an efficient screening tool in identifying low birth weightbabies.
"he highest correlation 3r value4 of foot length was with gestational age
in preterm % babies 3r G 8.7E84 and with birth weight in preterm '%
babies 3r G 8.7E>4. "erm % 3r G 8.A>4 and term '% 3r G 8.B:>4 babies
showed higher correlation of foot length with birth weight. In post
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SUMMARY
"his study was done to know the relationship between foot length,
gestational age and birth weight among preterm, term and post
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:. 6f 788 neonates studied, the mean foot length was :.A9?> cm with a standard
deviation of 8.>:99.
"he mean foot length of pre:8? cm and 7.8?E cm, respectively.
"he mean foot length of post
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E?. In term % and term '% babies, the foot length correlated significantly
3p F 8.8>4 with all the parameters. &ighest correlation was with birth weight in
both term % babies 3r G 8.A>4 and term '% babies 3r G 8.B:>4.
"here was no correlation between foot length and any of the parameters in
term -%babies.
EA. In post
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BIBLIOGRAPHY
E. "hacker ;. Integrated management of neonatal and childhood illness! new
hope for child survival. PresidentHs Page. Indian Paediatrics 988:AA!EB7394!99?
8/13/2019 Study related to paediatrics
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E8. Dubowit= -M', Dubowit= D, %oldberg C. Clinical assessment of gestational
age in the newborn infant. "he Kournal of Paediatrics E:8::!E
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E. (umar %P, (umar (. /stimation of gestational age from hand and foot
length. Medicine, 'cience and the -aw E???3A4!A78.
98. &ern 2M. Correlation of fetal age and measurements between E8 and 9B
weeks of gestation. 6bstetrics and %ynecology E7A KanB?3E4!9B
8/13/2019 Study related to paediatrics
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9:. Daga 'R, Daga ', Dighole R5, Patil RP. nganwadi workerHs participation
in rural newborn care. Indian Kournal of Pediatrics E?B8!B9:
8/13/2019 Study related to paediatrics
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?7. Kohnson MP, Michaelson K/, )arr M, "readwell MC, &ume R0, Dombrowski
MP, et al. Combining humerus and femur length for improved ultrasonographic
identification of pregnancies at increased risk for trisomy 9E. merican Kournal
of 6bstetrics and %ynecology E> prE:93A4!E99.
?. Droste ', 0it=simmones K, Pascoe
8/13/2019 Study related to paediatrics
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AB. Mullany -C, Darmstadt %-, (hatry '(, -ecler# 'C, "ielsch KM. Relationship
between the surrogate anthropometric measures, foot length and chest
circumference and birth weight among newborns of 'arlahi, ;epal. /uropean
Kournal of Clinical ;utrition 988:BE!A8
8/13/2019 Study related to paediatrics
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>B. 2ariyar , "in 2, &ey /. %estational assessment assessed. rchives of
Disease in Childhood E: pp. 9EB:. Chard K. /vidence of growth retardation in neonates of apparently normal
weight. /uropean Kournal of 6bstetrics, %ynaecology and Reproductive
)iology E9A>3E4!>7. &ossain MM, &abib &, Dupont &-. ssociation between birth weight and
birth arm circumference of neonates in rural /gypt. Indian Kournal of
Paediatrics EABE!7E. 'auerborn R, 6niminga RM, (one ), 'ama R, 6epen C, /brahim %K.
;eonatal mid
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ANNEKURE i
NE: BALLARD SCORE
'ource! )allard et al., ;ew )allard 'core, e+panded to include e+tremely
premature infants. K Pediatr EEEE!AE:
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ANNEKURE ii
LUBCHENCO INTRAUTERINE GRO:TH CUR/ES
'ource! -ubchenco -6, &ansman C and )oyd /. Intrauterine growth in length and
head circumference as estimated from live births at gestational ages from
9B to A9 weeks, Pedaitrics EBB?:!A8?4
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ANNEKURE iii
PROFORMA
'erial ;o. !
;ame !
IP ;o. of mother !
Date of e+amination !
ge 3in hrs4 !
'e+ ! Male 0emale
%estational age 3as per )allardHs score4! weeks
Preterm*"erm*Post
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S(.
No.Mot$er;s Na"e In
1-atient
n"!er
Gestationa(a
,eCDee+sE
Foot(e
n,t$C)"sE
Hea#)ir)"'eren)eC)"sE
CroDn1$ee((en,t$C)"sE
Birt$D
ei,$tC+,E
A--ro-riate
'or,estation
S"a(('or,estationa(a,eCSGA
E9Lar,e'or
Pre1ter"PTE9Ter"CTE9Post1ter"PostTE
E 'uvarna E97EA 0emale ?7 :.> ?? A7 ?.8 % "
9 (omala E9:7 Male A8 :.B ?? A 9.B % "
? %eetha E9:7A Male ?7 :.> ?A A7.> 9.> % "
A 'ahana E9:78 0emale A8 :.7 ??.? A 9.B % "
> Ra$eswari E9B:7 Male A8 :.7 ?9.7 A.9 9.: % "
B 'akamma E9:: Male ?7 :.B ?? A 9.> % "
: Mangala E9:B 0emale A8 :. ?A.> A 9.:> % "
7 'hilpa E9798 0emale ?B :.? ?? A7 9.A % P"
-akshmi E9799 0emale A8 7.8 ?A A.> 9.:> % "E8 Man$ula E9:A Male A9 7.9 ?> >8 ?.9> % Post "
EE 5eena E978B Male A8 :.B ?A A 9.>> % "
E9 %owri E9:A Male ?7 :.: ??.> A7.> 9.B % "
E? Mahalakshmi E??8 Male A8 7.9 ?A >8 ?.> % "
EA Devamani E?9 0emale ?7 :.B ?9.> A:.> 9.: % "
E> 'hyla$a E?97 0emale A8 :. ?A.> A ?.9 % "
EB Pramila E?9B Male ?7 B. ?9 A> 9.9 '% "
E: %owri E?9A Male A8 :.8 ?9 A> 9.9 '% "
E7 'owmya E?E: 0emale ?7 :.A ?9.> A: 9.> % "
E sha E?98 Male ?7 :.7 ??.> A7.> ?.8 % "
98 'udha E?E> 0emale ?7 :.B ?A A7 9.: % "
9E &ema E?9> Male ?7 :.> ?? A7 9.B % "
99 Mani E?9: Male A8 :.: ??.> A7 9.B % "
9? 'udha E?E9 0emale A8 7.9 ?> A ?.7> -% "
9A Ra$eswari EA?BB 0emale ?7 :.7 ?A A7.> 9. % "
9> Roopa EA99 0emale ?7 :.> ?? A:.> 9.> % "
9B 'avitha EA9B7 Male ?7 :.B ?A A7 9.> % "
9: (alavathi EA?8A 0emale A8 7.> ?> >8 ?.7 -% "
97 'hahana EA?EA 0emale A8 7.9 ?> A ?.9 % "9 Meenakshi EA?E8 Male ?7 :.: ?A A7 9.> % "
?8 -alitha EA?EB 0emale A8 7.8 ?A.> A7.> 9.: % "
?E "ulasi EA9>8 0emale A9 7.? ?>.> >8 ?.9 % Post "
?9 'amina )anu EA9?9 0emale A8 7.E ??.> A 9.:> % "
?? 'iddara$amma EA9>7 Male A8 :.7 ?> A7.> 9.:> % "
?A Man$ula EA9:9 0emale A8 :.: ?> A7 9.:> % "
?> Diana E?EB Male ?7 :.> ?> A7 9.> % "
?B %ayathri EA:AA 0emale A9 7.A ?A.> >8 ?.> % Post "
?: ;ethra EA799 0emale A8 :. ?A.9 A7.7 ?.9 % "
?7 'hobha EA7A> Male A8 7.E ?A.: A.> ?.9> % "
? 5asantha EA7A7 Male A8 7.8 ?A.> A 9.:> % "
A8 ;aveena (umari EA7A: 0emale ?7 :.: ?A A 9.B % "
AE ;ethravathi EA7>8 Male ?7 :.7 ??.> A7 9.> % "
A9 -avitha EA7 0emale ?7 :.7 ?9.> A7.> 9.> % "
A? mmayya EA7AB Male ?7 :.: ?9.> A:.> 9.> % "
AA -akshmi EA78 0emale A8 7.? ?? A 9.: % "
A> Deepa EA7>9 Male ?7 :.> ?9.> A7 9.: % "
AB Chandrakala EA7>E 0emale A8 7.8 ?? A7.> 9.B % "
A: ;andini EA7>? Male ?7 :.: ?? A7 9.B % "A7 nupama EA7>7 0emale ?7 :.A ?? A7 9.> % "
A "hriveni E>EE8 0emale ?7 :.B ??.> A7.> 9.7 % "
>8 Chandrika EA78 0emale A9 7.? ?>.9 >8 ?.B % Post "
>E 'hobha EA:7 Male A8 :.7 ?9.: A:.> 9.:> % "
>9 'uvarna EA>8 Male A8 7.8 ?A.> A7.> ?.9> % "
>? 'asikala EAAE Male ?7 :.A ??.> A 9.> % "
>A Ro$a EA> 0emale ?7 7.9 ?> >8 ?.9> % "
>> yesha E>887 0emale ?7 7.E ?A A ?.8 % "
>B Padma EAA7 0emale ?7 B.: ?E.> AB 9.8 '% "
>: -akshmi EAA8 Male A8 :.B ?9.> AB.> 9.B % "
>7 'uma E>E87 0emale ?7 :.? ?9.> A: 9.9 '% "
> Rekha E>E88 0emale A8 7.E ?A >8 ?.9 % "
B8 sha E>EE8 0emale A8 :.7 ?? A 9.7 % "
ANNEKURE &
MASTER CHART
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S(.
No.Mot$er;s Na"e
In1-atientn"!er
Gestationa(a,eCDee+sE
Foot(en,t$C)"sE
Hea#)ir)"'eren)eC)"sE
CroDn1$ee((en,t$C)"sE
Birt$Dei,$tC+,E
A--ro-riate'or,estationa(
r,estationa(a,eCSGAE9Lar,e'or,estationa(
re1ter"PTE9Ter"
TE9Post1ter"PostTE
BE Rani E>E89 0emale ?7 :.> ?? A: 9.> % "
B9 (umari EA>9 0emale ?B :.8 ?E AB 9.E % P"
B? 5ani EBA>8 0emale A8 7.A ?A.> >8 ?.9> % "
BA Prema EBA97 0emale A8 7.9 ??.7 A ?.8 % "
B> sha EBAAA 0emale ?7 :.B ??.: A7 9.> % "
BB Madhumalathi EBA>9 Male ?7 :.> ??.> A7 9.> % "
B: Divya EB?78 Male A8 :.> ?9.> A7 9.B % "
B7 Roopa EBABA 0emale ?7 :.8 ?E.> A: 9.9 '% "
B 'avitha EB?9 0emale A8 7.9 ?A.> A.> ?.9> % "
:8 -akshmi EB?A 0emale ?7 :.? ?E.> A:.> 9.> % "
:E sha EB?B Male A9 7.A ?>.9 >8 ?.: % Post "
:9 sma )anu EB978 Male ?7 :.7 ?A.> A7 9.B % "
:? ;ethravathi EB97A Male A8 :. ?> A ?.E % ":A 'avitha EB9:9 Male A8 7.E ?> A7.> ?.8 % "
:> )havya E>E98 0emale ?7 :.B ?? A7 9.> % "
:B nupama E>E97 0emale A8 :.7 ?? A7.> ?.8 % "
:: 5eena E>EE7 0emale A9 7.E ?A A.> ?.9 % Post "
:7 'udha E>EE: Male A9 7.9 ??.> A7.> ?.8 % Post "
: Chandramma E>EEE Male ?7 :.A ?9.> A7 9.A % "
78 -akshmi E>EE 0emale A8 7.> ?> >8 ?.7> -% "
7E 'hah "a$ E>EE9 Male ?7 :.A ??.9 A:.> 9.> % "
79 Dhakshayini E>88A Male A8 :.B ??.E A7.> 9.7 % "
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