Switching from cetrorelix to dydrogesterone in an IVF cycle - a new strategy for unexpected freeze-all cycles.

Preventing a luteinizing hormone (LH) surge is a major concern in controlled ovarian stimulation (COS). Several strategies have been developed over the years, including protocols with Gonadotrophin Releasing Hormone agonists and antagonists. More recently Progestin Primmed Ovarian Stimulation (PPOS) has shown to be equally effective in pituitary suppression, with comparable clinical and laboratorial outcomes.

Herlyn-Werner-Wunderlich syndrome: A fertility-sparing approach to a rare mullerian anomaly.

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 mass, related to hematocolpos/hematometra. It is a rare disease, with a challenging clinical and radiological diagnosis.