Gestational age at birth (weeks)

43

42

41

40

39

44

45

46

47

48

49

Len

gth

(cm

)

30

27

28

29

31

32

33

34

35

Hea

d c

ircu

mfe

ren

ce (

cm)

5.25

4.75

4.25

4.00

3.75

3.50

3.25

3.00

2.75

5.00

4.50

Bir

thw

eig

ht

(kg

)

50

49

48

47

46

45

44

43

51

53

54

55

56

52

Len

gth

(cm

)

35

30

27

28

29

31

32

33

34

36

37

38

39

Hea

d c

ircu

mfe

ren

ce (

cm)

Ref: Villar J et al. Lancet 2014; 384: 857-868 © University of Oxford

33 34 35 36 37 38 39 40 41 42 43

33 34 35 36 37 38 39 40 41 42 43

Bir

thw

eig

ht

(kg

)

1.00

1.25

1.50

5.25

4.75

4.25

4.00

3.75

3.50

3.25

3.00

2.75

2.50

2.25

2.00

1.75

5.00

4.50

INTERGROWTH-21st

International Standards for Size at Birth (Girls)

3rd

97th

90th

10th

50th

3rd

97th

90th

10th

50th

3rd

97th

90th

10th

50th