实施紧急子宫颈环扎术（emergency cervical cerclage，ECC）的目的是延长孕周，避免晚期流产或早产发生。对妊娠16～23+6周，不超过27+6孕周；单胎子宫颈口开大≥1cm，和（或）羊膜囊脱入阴道胎膜完整；双胎子宫颈口≥1cm者，排除感染和宫缩后行ECC具有较高的安全性和有效性。文章还介绍了ECC的手术要点和标准化手术流程管理对保障临床安全的重要性。

The aim of emergency cervical cerclage （ECC） is to prolong gestational weeks to avoid miscarriage in the third trimester or preterm delivery.  After exclusion of infection and active uterus contractions，for those women at 16-23+6 weeks，no more than 27+6 weeks，with singleton cervical ≥1cm，and/or membrane prolapse into vaginal intact membrane；twins cervical ≥1cm，ECC might be a safe and effective optiont. The key point of ECC procedure and the importance of standard management of the operation in ensuring clinical safety are also introduced.