en مقاله پژوهشی Original Article Full-Term Birth, Preterm Birth, Exclusive breastfeeding, Maternal Health Literacy, mothers 41 52 https://literacy.mums.ac.ir/article_26870.html Maryam Nasrabadi nasrabadim941@gmail.com 117961 No PhD Student, Department of Health Education and Health Promotion, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran|Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran Nasibeh Zerangian health.zerangian@gmail.com 117962 No PhD Student, Department of Health Education and Health Promotion, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran|Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran Elham Charoghchian Khorasani charoghchiane@mums.ac.ir 117963 No Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.|Assistant Professor, Department of Health Education and Health Promotion, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran Mostafa Boskabadi boskabadym1@mums.ac.ir 117964 No PhD in Statistics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran Nooshin Peyman peymann@mums.ac.ir 117965 Yes Professor, Department of Health Education and Health Promotion, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran|Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.