1. Department of Obstetrics and Gynecology, Maternal–Fetal Medicine Unit, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey;
2. Department of Pediatric Cardiology, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey;
3. Department of Obstetrics and Gynecology, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey