1. Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran;
2. Nursing and Midwifery Care Research Center, Mashhad University of Medical Sciences, Mashhad, Iran;
3. Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran;
4. Department of Obstetrics and Gynecology, Faculty of Medicine, Women Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran