早产一直是产科的热点问题,早产儿一直是围产儿死亡和患病的主要原因,引起早产的一个主要因素是宫颈机能不全。宫颈环扎术用于治疗习惯性流产已取得了瞩目的疗效[1]。但对于治疗早产的疗效,目前尚存在很大争议。现综述如下。1宫颈机能不全的诊断无论何种原因导致的宫颈机能不全 Premature birth has been a hot issue in obstetrics. Premature babies have been the major cause of perinatal death and illness. One of the major causes of preterm birth is cervical incompetence. Cervical cerclage for the treatment of habitual abortion has achieved remarkable results [1]. But for the treatment of preterm labor, there is still much controversy. Are summarized below. Cervical incompetence of the diagnosis of a cause of cervical insufficiency