孕妇在妊娠晚期胎头逐渐入盆,可能压迫直肠和膀胱,当孕妇进入第一产程,在宫缩发动后,许多初产妇可因增大的子宫刺激直肠而感到难以忍受的肛门部坠胀感,加上分娩的剧烈疼痛使得社会因素所致剖宫产率大大提高。本研究探讨罗哌卡因复合舒芬太尼不同硬膜外腔给药方式用于分娩镇痛的效 Pregnant women gradually into the basin in the third trimester of pregnancy, may oppress the rectum and bladder, when pregnant women enter the first stage of labor, after uterine contractions, many primipara can be irritated by the enlarged uterus rectum and feel unbearable anal dilatation , Coupled with the severe pain of childbirth caused by social factors, greatly increased the rate of cesarean section. This study was to investigate the effects of different epidurals of ropivacaine combined with sufentanil on labor analgesia