Effects of upright positions during the second stage of labour for women without epidural analgesia: A meta‐analysis 无硬膜外镇痛的产妇在分娩第二产程采取直立体位的影响:荟萃分析
Description
Abstract
Aims
To assess the effects of upright positions on maternal outcomes for women without epidural analgesia in comparison with recumbent positions during the second stage of labour.
Background
Upright positions have many physiological