[1]Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran 1996835119, Iran;
[2]Department of Midwifery, Chalous Branch, Islamic Azad University, Chalous 4661961367, Iran;
[3]Midwifery and Reproductive Health Research Center, Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran 1996835119, Iran;
[1]Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran 1996835119, Iran;
[4]Department of Pharmacognosy, School of Pharmacy and Research Center of Pharmaceutical Science, Shahid Beheshti University of Medical Sciences, Tehran 1996835119, Iran;
[5]Department of Biostatistics, School of Paramedicine, Shahid Beheshti University of Medical Sciences, Tehran 1996835119, Iran;
焦虑; 疼痛; 劳动; 女人; 生育; 人口统计; 数据收集; 数据分析;