1. Obstetrics and Gynecology Department, Faculty of Medicine, Tehran University of Medical Science, Tehran, Iran;
2. Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran;
3. Obstetrics and Gynecology Department, Faculty of Medicine, Iran University of Medical Science, Tehran, Iran;
4. Department of Reproductive Health and Midwifery, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran;
5. Statistics Department, Mathematical Science and Computer Faculty, Shahid Chamran University, Ahvaz, Iran