目的研究按孕妇意愿选择蛛网膜下腔-硬膜外联合阻滞麻醉用于产时镇痛对分娩的影响。

Objective To evaluate the effect of combined subarachnoid epidural analgesia (CSEA) in labor pain relief and its side effects and selective bias in nulliparous women.

youdao

目的研究按孕妇意愿选择蛛网膜下腔-硬膜外联合阻滞麻醉用于产时镇痛对分娩的影响。

Objective To evaluate the effect of combined subarachnoid epidural analgesia (CSEA) in labor pain relief and its side effects and selective bias in nulliparous women.

youdao