Screening for spontaneous preterm birthpromotoren: prof.dr. C.J.M. de Groot prof.dr. B.W.J. Mol copromotoren: dr. M.C. Haak dr. E. Pajkrt 34785 Os, Melanie van.indd 2 08-07-15 14:35

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Screening for spontaneous preterm birth

van Os, M.A.; van Dam, A.J.E.M.

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Citation for published version (APA):van Os, M. A., & van Dam, A. J. E. M. (2015). Screening for spontaneous preterm birth.

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Melanie van OsJeanine van der Ven

Screening for spontaneous preterm birth M

elanie van Os &

Jeanine van der Ven

Colofon

Cover Design Martijn de Visser

Layout Ferdinand van Nispen tot Pannerden,

Citroenvlinder DTP&vormgeving, my-thesis.nl, Bilthoven

Printing GVO drukkers & vormgevers B.V., Ede

Copyright © 2015 M.A. van Os en A.J.E.M van der Ven – van Dam

ISBN 978-90-6464-891-5

34785 OS BZ COVER.indd 1 08-07-15 14:33

VRIJE UNIVERSITEIT


ACADEMISCH PROEFSCHRIFT

ter verkrijging van de graad Doctor aan

de Vrije Universiteit Amsterdam,

op gezag van de rector magnificus

prof.dr. F.A. van der Duyn Schouten,

in het openbaar te verdedigen

ten overstaan van de promotiecommissie

van de Faculteit der Geneeskunde

op donderdag 3 september 2015 om 13.45 uur

in de aula van de universiteit,

De Boelelaan 1105

door

Melanie Ann van Os

geboren te Haarlem

34785 Os, Melanie van.indd 1 08-07-15 14:35

promotoren: prof.dr. C.J.M. de Groot

prof.dr. B.W.J. Mol

copromotoren: dr. M.C. Haak

dr. E. Pajkrt


beoordelingscommissie: prof.dr. C.M. Bilardo

prof.dr. J.A.M. van der Post

prof.dr. E.A.M. Steegers

prof.dr. J.I.P. de Vries


Dit proefschrift is geschreven in een samenwerking en als duo promotie met drs.

A.J.E.M. van der Ven – van Dam en heeft derhalve een gelijke inhoud en eenzelfde

ISBN nummer. Tijdens de openbare verdediging zal M.A. van Os de volgende

hoofdstukken verdedigen: 1, 2, 3, 4, 6, 7,10, 12.

This thesis is made in collaboration with drs. A.J.E.M. van der Ven – van Dam, who

will defend her thesis at the University of Amsterdam. On behalf of the collaboration

this thesis is similar to the thesis of A.J.E.M. van der Ven – van Dam and has the same

ISBN.

M.A. van Os will defend chapters 1, 2, 3, 4, 6, 7,10, 12.



ACADEMISCH PROEFSCHRIFT

ter verkrijging van de graad van doctor

aan de Universiteit van Amsterdam

op gezag van de Rector Magnificus

prof. dr. D.C. van den Boom

ten overstaan van een door het College van Promoties ingestelde commissie,

in het openbaar te verdedigen in de Agnietenkapel

op donderdag 3 september 2015, te 10.00 uur

door

Adriana Johanna Elisabeth Maria van Dam

geboren te Breda


Promotiecommissie

Promotores: Prof. dr. B.W.J. Mol Universiteit van Amsterdam

Prof. dr. C.J.M. de Groot Vrije Universiteit Amsterdam

Co-promotores: Dr. E. Pajkrt Universiteit van Amsterdam

Dr. M.C. Haak Universiteit Leiden

Overige leden: Prof. dr. C.M. Bilardo Rijksuniversiteit Groningen

Prof. dr. J.B. van Goudoever Universiteit van Amsterdam

Prof. dr. J.A.M. van der Post Universiteit van Amsterdam

Prof. dr. T.J. Roseboom Universiteit van Amsterdam

Prof. dr. E.A.P. Steegers Erasmus Universiteit Rotterdam

Prof. J.G. Thornton University of Nottingham

Dr. A. de Jonge VU Medisch Centrum

Faculteit der Geneeskunde


Dit proefschrift is geschreven in een samenwerking en als duo promotie met drs.

M.A. van Os en heeft derhalve een gelijke inhoud en eenzelfde ISBN nummer.

Tijdens de openbare verdediging zal A.J.E.M van der Ven – van Dam de volgende

hoofdstukken verdedigen: 1, 4, 5 ,8 ,9 ,10, 11, 12.

This thesis is made in collaboration with drs. M.A. van Os, who will defend her thesis

at the VU University Amsterdam. On behalf of the collaboration this thesis is similar

to the thesis of M.A. van Os and has the same ISBN.

A.J.E.M. van der Ven – van Dam will defend chapters 1, 4, 5 ,8 ,9 ,10, 11, 12.


Contents

Chapter 1 General introduction and outline of the thesis 11

Part one: Preterm birth; the problem 23

Chapter 2 Individualizing the risk for preterm birth: an overview of

the literature.

Expert Review of Obstetrics & Gynecology. 2013 8(5), 435–442

25

Part two: Who is at risk for preterm birth? 43

Chapter 3 Preventing Preterm birth with Progesterone: costs and

effects of screeninglow-risk women with a singleton

pregnancy for short cervical length, the Triple P study.

BMC Pregnancy and Childbirth 2011. Oct 24;11:77.

45

Chapter 4 The capacity of mid-pregnancy cervical length to predict

preterm birth in low-risk women: a national cohort study.

Acta Obstetricia et Gynecologica Scandinavica. conditionally

accepted.

57

Chapter 5 Comparison of Perinatal Outcome of Preterm Births

Starting in Primary Care versus Secondary Care in the

Netherlands: A Retrospective Analysis

of Nationwide Collected Data.

Obstetrics and Gynecology International. 2014;2014 423575.

79

Part three: Cervical length and sonography of the cervix 103

Chapter 6 The effect of e learning on the quality of cervical length

measurements.

Ultrasound in Obstetrics & Gynecology. 2014 Dec 11

105

Chapter 7 Influence of cut-off value on the prevalence of short

cervical length. Submitted

119


Chapter 8 Is cervical length associated with maternal characteristics?

European Journal of Obstetrics & Gynecology and

Reproductive Biology. 2015 May;188:12-16.

133

Chapter 9 Mid-pregnancy cervical length in nulliparous women and

its correlation with post-term delivery and intrapartum

caesarean delivery.

American Journal of Perinatology 2015 May 9

147

Part four: Treatment to prevent preterm birth 163

Chapter 10 Preventing preterm birth with progesterone in women with a

short cervical length from a low-risk population: a multicentre

double-blind placebo-controlled randomised trial.

American Journal of Perinatology 2015 March 4

165

Part five: Women’s preference 181

Chapter 11 Patient’s preferences for measuring cervical length and

treatment with progesterone in relation to preterm birth.

Journal of Health & Medical Informatics. 2015 June 10

183

Chapter 12 General discussion 203

Chapter 13 Summary 218

Nederlandse samenvatting 224

List of co-authors and their affiliations 231

Dankwoord Melanie van Os 232

Portfolio Melanie van Os 235

Curriculum Vitae Melanie van Os 236

Dankwoord Jeanine van der Ven 237

Portfolio Jeanine van der Ven 238

Curriculum Vitae Jeanine van der Ven 239


Documents

Screening for spontaneous preterm birthpromotoren: prof.dr. C.J.M. de Groot prof.dr. B.W.J. Mol copromotoren: dr. M.C. Haak dr. E. Pajkrt 34785 Os, Melanie van.indd 2 08-07-15 14:35