Roberto de Azevedo Antunes

OBJECTIVE: To compare clinical, obstetric, and neonatal outcomes between natural and artificial endometrial preparation protocols for frozen embryo transfer (FET) in cycles involving single euploid blastocyst transfer. METHODS: This retros…

OBJECTIVE: To evaluate Dydrogesterone's effectiveness in PPOS protocols for IVF/ICSI or oocyte cryopreservation, focusing on LH surge suppression and metaphase II oocyte yield. METHODS: A retrospective, comparative, single-center study of …

The Herlyn-Werner-Wunderlich syndrome (HWWS) is characterized by the triad of uterus didelphys, obstructed hemivagina, and renal agenesis. The typical clinical presentation involves chronic pelvic pain, dysmenorrhea, and palpable abdominal …

INTRODUCTION: More than one million fertilization cycles are performed every year. The incidence of serious complications associated with transvaginal oocyte pick-up is low, but the procedure is not risk-free. Risks are inherent to procedur…