Document Type : Original Article
Authors
1 M.Sc. Student in Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.
2 Assistant Professor, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.
3 Assistant Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
4 Professor, Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
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