BackgroundMorphological embryo assessment, time-lapse imaging or PGT-A can prioritize an embryo for transfer in IVF/ICSI cycles. Nevertheless, there remains potential to enhance the efficiency of ART cycles and reduce the time-to-pregnancy.…
Research questionDoes a frozen-embryo transfer in an artificially-prepared endometrium (FET-HRT) cycle yield similar clinical pregnancy rate with 7 days of oestrogen priming compared to 14 days?DesignThis is a single-centre, randomized, con…
PurposeDoes cell loss (CL) after vitrification and warming (V/W) of day 3 embryos have an impact on live birth rate (LBR) and neonatal outcomes?MethodThis retrospective analysis includes cleavage stage day 3 embryos vitrified/warmed between…
STUDY QUESTION: What is the effect of vitamin D deficiency on the pregnancy rates following frozen embryo transfer (FET)?. SUMMARY ANSWER: Vitamin D deficiency does not affect pregnancy rates in FET cycles. WHAT IS KNOWN ALREADY: Although t…