1. Midwifery Group, Faculty of Nursing and Midwifery , Qazvin University of Medical Sciences , Qazvin , Iran
2. Department of Psychiatic Nursing, Faculty of Nursing & Midwifery , Qazvin University of Medical Sciences , Qazvin , Iran
3. Field of Consultation on Midwifery , Qazvin University of Medical Sciences Research Committee , Qazvin , Iran
4. Field of Statistics, Faculty of Nursing and Midwifery , Qazvin University of Medical Sciences , Qazvin , Iran