Association between the length of in vitro embryo culture, mode of ART, and the initial endogenous hCG rise in ongoing singleton pregnancies.
Cecilia NilssonMaria Buhl Buhl BorgstrømK MadsenAnja PinborgNina la Cour FreieslebenA ZedelerM R PetersenMarie Louise GrøndahlP F SvendsenPublished in: Human reproduction (Oxford, England) (2024)
The study was registered and approved by the Danish Protection Agency, Capital Region, Denmark (Journal-nr.: 21019857). No approval was required from the regional ethics committee according to Danish law.