1. Department of Obstetrics and Gynecology, Bursa Çekirge State Hospital, Bursa, Turkey;
2. Department of Obstetrics and Gynecology, Zeynep Kamil Women's and Children's Disease Training and Research Hospital, Istanbul, Turkey;
3. Department of Physical Therapy and Rehabilitation, Balıkesir University, Balıkesir, Turkey;
4. Medical Faculty, Department of Biostatistics and Medical Informatics, Istanbul Medeniyet University, Istanbul, Turkey