Document Type : Original Article(s)
Authors
1 Associate Professor of Obstetrics and Gynecology, Women Health Research Center, Mashhad University of Medical Sciences, Mashhad
2 Associate Professor of Biostatistics, Department of Community Medicine and Health, Mashhad University of Medical Sciences, Mashhad
3 Resident of Obstetrics and Gynecology Mashhad University of Medical Sciences, Mashhad
Abstract