van Golde RJT

Objectives: Alterations in 17β-estradiol metabolism are known to potentially impair endometrial receptivity. Previous pioneering studies have investigated the role of endometrial steroid metabolism by determining steroid hormone levels and …

STUDY QUESTION: What is the risk of endometrial cancer after long-term follow-up in women treated with ART between 1983 and 2001 compared with women in the general population and subfertile women who did not undergo ART? SUMMARY ANSWER: Th…

Study questionWhat are the reproductive outcomes of patients who cryopreserved oocytes or embryos in the context of fertility preservation in the Netherlands?Summary answerThis study shows that after a 10-year follow-up period, the utilizat…

PurposeThe goal of this study was to determine ongoing pregnancy rate, time to pregnancy and embryo transfers to pregnancy within a cohort of patients with recurrent implantation failure (RIF).MethodsIVF patients with RIF were included afte…

AbstractSex steroids are converted to bioactive metabolites and vice versa by endometrial steroid-metabolising enzymes. Studies indicate that alterations in this metabolism might affect endometrial receptivity. This pilot study determined w…

BackgroundLong-term effects of assisted reproductive technology (ART) on ovarian tumor risk are unknown.MethodsThis nationwide cohort study comprises 30 625 women who received ovarian stimulation for ART in 1983-2000 and 9988 subfertile wom…

Study questionDo cumulative live birth rates (CLBRs) over multiple IVF/ICSI cycles confirm the low prognosis in women stratified according to the POSEIDON criteria?Summary answerThe CLBR of low-prognosis women is ~56% over 18 months of IVF/…