1. Department of Obstetrics and Gynaecology, Radboud Institute for Health Sciences Radboud University Medical Centre Nijmegen The Netherlands
2. Department of Obstetrics and Gynaecology Canisius Wilhelmina Ziekenhuis Nijmegen The Netherlands
3. Division of Medical Oncology, Department of Internal Medicine Maastricht University Medical Centre+ Maastricht The Netherlands
4. GROW‐School of Oncology and Developmental Biology Maastricht University Medical Centre+ Maastricht The Netherlands
5. Section Biostatistics, Department for Health Evidence, Radboud Institute for Health Sciences Radboud University Medical Centre Nijmegen The Netherlands
6. Department of Obstetrics and Gynaecology Maastricht University Medical Centre+ Maastricht The Netherlands