紧急宫颈环扎术术后安胎成功率可高达72.72%，是宫颈机能不全者治疗不及时的一种有效补救措施。但如不能正确把握其手术时机、掌握手术指征，术后亦可带来严重并发症。因此，严格掌握紧急宫颈环扎术的手术指征，注意术中操作及术后监测，是提高紧急宫颈环扎术成功率的关键。

Abstract：Emergent cerclage may be defined as that performed in the setting of advanced cervical dilation with bulging membranes. It's an emergency operation that can save normal but immature fetus. Previous studies have indicated that the success rate of operation was 72.72%. That means emergent cerclage is a good remedy when the treatment of cervical incompetence is not timely. However, it may have serious complications if we can't grasp the opportunity and master the indications of the operation. So grasp the operation indications strictly, pay more attention in operative procedure and give good postoperative monitoring can improve the success rate of emergent cerclage.