STUDY QUESTION: Does ICSI improve the live birth rate in couples without severe male factor infertility compared to conventional IVF (cIVF)? SUMMARY ANSWER: High-quality evidence showed no benefit of ICSI over cIVF in improving live birth …
Female fertility preservation is a rapidly growing field in medicine. Oocyte cryopreservation and assisted reproductive technique with vitrified-warmed oocytes have been successful with in vivo matured oocytes after conventional ovarian sti…
Study questionWhat is the cumulative delivery rate (CDR) per aspiration IVF/ICSI cycle in low-prognosis patients as defined by the Patient-Oriented Strategies Encompassing IndividualizeD Oocyte Number (POSEIDON) criteria?Summary answerThe C…
OBJECTIVE: To estimate the prevalence of low-prognosis patients according to the POSEIDON criteria using real-world data. DESIGN: Multicenter population-based cohort study. SETTINGS: Fertility clinics in Brazil, Turkey, and Vietnam. PATI…
Introduction: It has recently been shown that late follicular phase progesterone levels correlate well with those in the early luteal phase, and that progesterone levels before and 12 h after human chorionic gonadotropin (hCG) administratio…
PURPOSE: Standard oocyte in vitro maturation (IVM) usually results in lower pregnancy rates than in vitro fertilization (IVF). IVM preceded by a prematuration step improves the acquisition of oocyte developmental competence and can enhance …
PURPOSE: To investigate the effectiveness of a biphasic IVM culture strategy at improving IVM outcomes in oocytes from small follicles (< 6 mm) compared with routine Standard IVM in patients with polycystic ovaries. METHODS: This prospecti…
OBJECTIVE: To identify follicle sizes on the day of trigger most likely to yield a mature oocyte following hCG, GnRH agonist (GnRHa), or kisspeptin during IVF treatment. DESIGN: Retrospective analysis to determine the size of follicles on …