本文报告用安定促进临产宫口扩张80例,取得良好效果。可用于宫口扩张的潜伏期及活跃期延长,宫颈水肿导致宫口扩张停滞,双胎,第一胎儿娩出后宫口缩小、臀位产,宫口痉挛引起后出儿头困难,急需宫口扩张结束分娩的情况如脐带脱垂、胎儿窘迫等。安定不影响宫缩及产妇用腹压,对母子无不良影响。 This report reports the use of stability and promote labor in 80 cases of cervix expansion, and achieved good results. Can be used for the expansion of the cervix and the incubation period of the active extension of cervical edema led to the expansion of the cervix stagnation, twins, the first fetus after the delivery of contractions of the cervix, breech birth, cervix spasm caused after the first child difficulties, the urgent need for cervical dilatation Childbirth conditions such as umbilical cord prolapse, fetal distress and so on. Stability does not affect contractions and maternal abdominal pressure, no adverse effects on mother and child.