Document Type : Original Research Article
Authors
1 Department of Midwifery, Faculty of Midwifery Nursing, Mashhad University of Medical Sciences, Iran
2 Department of Nursing, Faculty of Nursing and Midwifery. Mashhad University of Medical Sciences
3 Ph.D candidate in Biostatistics, Department of Epidemiology and Biostatistics, Faculty of Health,Tehran University of Medical Sciences,Tehran-IRAN.
4 Department of Women, Mashhad University of Medical Sciences
5 Lecturer and Faculty Member of Department of Midwifery
6 PhD of Reproductive Health, Msc of Midwifery , lecturer and fculty member of Department of midwifery , school of Nursing & Midwifery Mashhad University of Medical Sciences , Mashhad , iran
Abstract
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