1. School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences Student Research Committee, Department of Midwifery and Reproductive Health, , Tehran 1996835119, Iran
2. Shahid Beheshti University of Medical Sciences Midwifery and Reproductive Health Research Center, Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, , Tehran 1996835119, Iran
3. Shahid Beheshti University of Medical Sciences Department of Biostatistics, School of Allied Medical Sciences, , Tehran 1971653313, Iran
4. OB/GYN, Modarres and 17th Shahrivar Hospital Complex , Saveh Faculty of Medical Sciences, Saveh University, of Medical Sciences, Saveh 3919676651, Iran