Are there inequalities in choice of birthing position?. Sociodemographic and labour factors associated with the supine position during the second stage of labour

Objective: to establish which factors are associated with birthing positions throughout the second stage of labour and at the time of birth. Design: retrospective cohort study. Setting: primary care midwifery practices in the Netherlands. Participants: 665 low-risk women who received midwife-led care. Measurements and findings: a postal questionnaire was sent to women 3-4 years after birth. The number of women who remained in the supine position throughout the second stage varied between midwifery practices, ranging from 31.3% to 95.9% (p