1. Gynecology Department, Adnan Menderes University Obstetrics, Aydın, Turkey;
2. Obstetrics and Gynecology Department, Kartal Dr. Lütfi Kırdar Education and Research Hospital, İstanbul, Turkey;
3. Obstetrics and Gynecology Department, Zeynep Kamil Maternity and Children Education and Research Hospital, İstanbul, Turkey