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OBJECTIVE: The study investigates the impact of gonadotropin (Gn) dose on embryo quality and pregnancy outcome in patients receiving controlled ovarian stimulation (COS) with antagonist regimen fertility treatment to identify the optimal do…

OBJECTIVE: We aimed to investigate the effect of seasons on embryo quality and pregnancy outcomes among infertile patients undergoing in vitro fertilization-embryo transfer (IVF-ET)-assisted pregnancy. METHODS: We retrospectively analyzed …

BACKGROUND: The relationship between the vascular flow index (VFI) of the endometrium and the pregnancy outcome in the frozen embryo transfer (FET) cycle remains controversial, and there is currently no recommended optimal range for VFI. O…

The endometrium is a unique human tissue with an extraordinary ability to undergo a hormone-regulated cycle encompassing shedding, bleeding, scarless repair, and regeneration throughout the female reproductive cycle. The cyclical repair and…

BACKGROUND: To evaluate basal testosterone (T) levels during follicular phase of the menstrual cycle as a predictor for ovarian response and in vitro fertilization (IVF) outcome. METHOD: We analyzed data retrospectively from hospital-based…