1. Department of Obstetrics and Gynecology, King Fahad Medical City, Riyadh, Saudi Arabia
2. Department of Obstetrics and Gynecology, HealthPlus Fertility and Women’s Health Center, Jeddah, Saudi Arabia
3. Research Services Administration, Department of Biostatistics, Research Center, King Fahad Medical City, Riyadh, Saudi Arabia
4. Reproductive Endocrine and Infertility Medicine Department, King Fahad Medical City, Riyadh, Saudi Arabia