1. Department of Obstetrics and Gynecology, Perinatology Division, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
2. Orthopedics and Traumatology, Hand Surgery Division, University of Health Sciences Turkey, Diskapi YB Training and Research Hospital, Ankara, Turkey
3. Department of Obstetrics and Gynecology, Perinatology Division, Etlik Zubeyde Hanim Women's Health Care, Training and Research Hospital, University of Health Sciences Turkey, Ankara, Turkey
4. Department of Obstetrics and Gynecology, Perinatology Division, Turkish Ministry of Health Ankara City Hospital, University of Health Sciences Turkey, Ankara, Turkey