1. Department of Obstetrics and Gynecology, Faculty of Medicine, Akdeniz University, Ankara, Turkey;
2. Department of Obstetrics and Gynecology, Antalya Education and Research Hospital, Ankara, Turkey;
3. Department of Obstetrics and Gynecology, Atatürk Education and Research Hospital, Ankara, Turkey;
4. Department of Family Medicine, Faculty of Medicine, İnönü University, Ankara, Turkey;
5. Department of Obstetrics and Gynecology, Faculty of Medicine, Yıldırım Beyazıt University, Ankara, Turkey