Document Type : Original Article
Authors
1 Lecture of Midwifery, Faculty of Nursing and Midwifery, Mashhad univercity of Medical Science, Mashhad, Iran.
2 Lecture of Midwifery, Faculty of Nursing and Midwifery, Mashhad univercity of Medical Science, Mashhad, Iran
3 Assistant Professor, Department of Obstetrics and Gynecology, Women's Health Research Center, School of Medicine , Mashhad University of Medical Sciences , Mashhad, Iran
Abstract
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