van Marion, Eva S.
Baart, Esther B.
Santos, Margarida
van Duijn, Linette
van Santbrink, Evert J. P.
Steegers-Theunissen, Régine P. M.
Laven, Joop S. E.
Eijkemans, Marinus J. C.
Funding for this research was provided by:
Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands
Article History
Received: 19 December 2022
Accepted: 28 February 2023
First Online: 27 March 2023
Declarations
:
: The Medical Ethical Committee of the Erasmus MC, University Medical Centre examined the study protocol and issued a waiver for the Medical Research Act (in Dutch: Wet medisch-wetenschappelijk onderzoek met mensen (WMO)) (MEC-2016–041), so no formal consent was needed. All patients undergoing treatment at our centres are informed that anonymized data may be used for retrospective research and patients had the opportunity to object to this.
: The authors declare no competing interests.