[First live birth in Bulgaria after in vitro maturation (IVM) procedure (case report)].

The objective is to report the first healthy live birth in Bulgaria from immature oocytes retrieved in a natural menstrual cycle, followed by in vitro maturation (IVM). In vitro maturation protocol was performed in a case with male factor of infertility. Twentyone immature oocytes were retrieved by transvaginal ultrasound guided follicle aspiration on day 10 of a 28-year-old woman and matured in vitro.