1. Department of Obstetrics and Gynaecology, Amsterdam UMC location University of Amsterdam , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
2. Amsterdam Reproduction and Development, Pregnancy and Birth , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
3. University Medical Center Groningen, Department of Obstetrics and Gynaecology, University of Groningen , Hanzeplein 1, Groningen 9713 GZ , The Netherlands
4. Amsterdam UMC location University of Amsterdam, Department of Public and Occupational Health , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
5. Amsterdam Public Health, Health Behaviors & Chronic Diseases , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
6. Interdisciplinary Social Science, Social Policy & Public Health, University Utrecht , Heidelberglaan 8, Utrecht 3585 CS , The Netherlands
7. Department of General Practice, Amsterdam UMC location University of Amsterdam , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
8. Department of Vascular Medicine, Amsterdam UMC location University of Amsterdam , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
9. Department of Obstetrics and Gynaecology, Amsterdam UMC location Vrije Universiteit Amsterdam , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands
10. Amsterdam UMC location University of Amsterdam, Department of Medical Informatics , Meibergdreef 9, Amsterdam 1105 AZ , The Netherlands