John Allotey,^1,2† Kym IE Snell,^3*† Melanie Smuk,² Richard Hooper,² Claire L Chan,² Asif Ahmed,⁴ Lucy C Chappell,⁵ Peter von Dadelszen,⁵ Julie Dodds,^1,2 Marcus Green,⁶ Louise Kenny,⁷ Asma Khalil,⁸ Khalid S Khan,^1,2 Ben W Mol,⁹ Jenny Myers,¹⁰ Lucilla Poston,⁵ Basky Thilaganathan,⁸ Anne C Staff,^11,12 Gordon CS Smith,¹³ Wessel Ganzevoort,¹⁴ Hannele Laivuori,^15,16,17,18 Anthony O Odibo,¹⁹ Javier A Ramírez,²⁰ John Kingdom,²¹ George Daskalakis,²² Diane Farrar,²³ Ahmet A Baschat,²⁴ Paul T Seed,⁵ Federico Prefumo,²⁵ Fabricio da Silva Costa,²⁶ Henk Groen,²⁷ Francois Audibert,²⁸ Jacques Massé,²⁹ Ragnhild B Skråstad,^30,31 Kjell Å Salvesen,^32,33 Camilla Haavaldsen,³⁴ Chie Nagata,³⁵ Alice R Rumbold,³⁶ Seppo Heinonen,³⁷ Lisa M Askie,³⁸ Luc JM Smits,³⁹ Christina A Vinter,⁴⁰ Per M Magnus,⁴¹ Kajantie Eero,^42,43 Pia M Villa,³⁷ Anne K Jenum,⁴⁴ Louise B Andersen,^45,46 Jane E Norman,⁴⁷ Akihide Ohkuchi,⁴⁸ Anne Eskild,^34,49 Sohinee Bhattacharya,⁵⁰ Fionnuala M McAuliffe,⁵¹ Alberto Galindo,^52,53 Ignacio Herraiz,⁵⁴ Lionel Carbillon,⁵⁵ Kerstin Klipstein-Grobusch,⁵⁶ SeonAe Yeo,⁵⁷ Helena J Teede,⁵⁸ Joyce L Browne,⁵⁶ Karel GM Moons,^56,59 Richard D Riley³ and Shakila Thangaratinam^1,2 on behalf of the IPPIC Collaborative Network^§

Footnotes

1

Barts Research Centre for Women’s Health (BARC), Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK

2

Pragmatic Clinical Trials Unit, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK

3

Centre for Prognosis Research, School of Primary, Community and Social Care, Keele University, Keele, UK

4

Aston Medical Research Institute, Aston Medical School, Aston University, Birmingham, UK

5

Department of Women & Children’s Health, School of Life Course Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, UK

6

Action on Pre-eclampsia (APEC), Evesham, UK

7

Vice Chancellor’s Office, Faculty of Health & Life Sciences, University of Liverpool, Liverpool, UK

8

Fetal Medicine Unit, St George’s University Hospitals NHS Foundation Trust and Molecular and Clinical Sciences Research Institute, St George’s University of London, London, UK

9

Department of Obstetrics and Gynaecology, Monash University, Monash Medical Centre, Clayton, VIC, Australia

10

Maternal and Fetal Health Research Centre, Manchester Academic Health Science Centre, University of Manchester, Manchester University NHS Foundation Trust, Manchester, UK

11

Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway

12

Faculty of Medicine, University of Oslo, Oslo, Norway

13

Department of Obstetrics and Gynaecology, NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK

14

Department of Obstetrics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands

15

Medical and Clinical Genetics, University of Helsinki and Helsinki University Hospital, Helsinki, Finland

16

Institute of Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland

17

Department of Obstetrics and Gynaecology, Tampere University Hospital, Tampere, Finland

18

Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland

19

University of South Florida, Tampa, FL, USA

20

Department of Obstetrics and Gynaecology, University Hospital de Cabueñes, Gijón, Spain

21

Maternal-Fetal Medicine Division, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada

22

Department of Obstetrics and Gynaecology, National and Kapodistrian University of Athens, Alexandra Hospital, Athens, Greece

23

Bradford Institute for Health Research, Bradford Teaching Hospitals, Bradford, UK

24

Johns Hopkins Center for Fetal Therapy, Department of Gynecology & Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA

25

Department of Obstetrics and Gynaecology, University of Brescia, Brescia, Italy

26

Department of Gynaecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil

27

Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands

28

Department of Obstetrics and Gynaecology, CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada

29

Department of Molecular Biology, Medical Biochemistry and Pathology, Université Laval, Québec City, QC, Canada

30

Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway

31

Department of Clinical Pharmacology, St Olav’s University Hospital, Trondheim, Norway

32

Department of Laboratory Medicine, Children’s and Women’s Health, Norwegian University of Science and Technology, Trondheim, Norway

33

Department of Obstetrics and Gynecology, St Olav’s University Hospital, Trondheim, Norway

34

Department of Obstetrics and Gynacology, Akershus University Hospital, Lørenskog, Norway

35

Department of Education for Clinical Research, National Center for Child Health and Development, Tokyo, Japan

36

South Australian Health and Medical Research Institute, Adelaide, SA, Australia

37

Department of Obstetrics and Gynaecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland

38

NHMRC Clinical Trials Centre, University of Sydney, NSW, Australia

39

Care and Public Health Research Institute, Maastricht University Medical Centre, Maastricht, the Netherlands

40

Department of Gynaecology and Obstetrics, Odense University Hospital, University of Southern Denmark, Odense, Denmark

41

Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway

42

Finnish Institute for Health and Welfare, Helsinki, Finland

43

Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland

44

General Practice Research Unit (AFE), Department of General Practice, Institute of Health and Society, University of Oslo, Oslo, Norway

45

Institute for Clinical Research, University of Southern Denmark, Odense, Denmark

46

Department of Obstetrics and Gynecology, Odense University Hospital, Odense, Denmark

47

MRC Centre for Reproductive Health, University of Edinburgh, Edinburgh, UK

48

Department of Obstetrics and Gynecology, School of Medicine, Jichi Medical University, Shimotsuke-shi, Tochigi, Japan

49

Institute of Clinical Medicine, University of Oslo, Oslo, Norway

50

Obstetrics & Gynaecology, Institute of Applied Health Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK

51

UCD Perinatal Research Centre, UCD School of Medicine, University College Dublin, National Maternity Hospital, Dublin, Ireland

52

Fetal Medicine Unit, Maternal and Child Health and Development Network (SAMID), Department of Obstetrics and Gynecology, Hospital Universitario 12 de Octubre, Instituto de Investigación Hospital 12 de Octubre (imas12), Universidad Complutense de Madrid, Madrid, Spain

53

Universidad Complutense de Madrid, Madrid, Spain

54

Department of Obstetrics and Gynaecology, Hospital Universitario 12 de Octubre, Madrid, Spain

55

Department of Obstetrics and Gynecology, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France

56

Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands

57

School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA

58

Monash Partners Academic Health Sciences Centre, Monash University and Monash Health, Melbourne, VIC, Australia

59

Cochrane Netherlands, Utrecht, the Netherlands

*

Corresponding author

†

Joint first authors (both contributed equally)

§

The full list of partners in the IPPIC Collaborative Network can be found in Acknowledgements.