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本文回顾性分析了260例于1979～1989年以色列Serlin产科医院的单胎妊娠妇女,因宫颈机能不全行宫颈环扎术后的妊娠结局,并与同组患者既往妊娠结局进行比较。手术在妊娠12～16周进行,均采用McDonald方法。 宫颈机能不全诊断标准如下:(1)有典型以无痛性宫颈扩张为特征的晚期流产或早产病史。(2)孕前Hegar氏试验阳性(8号宫颈扩张棒可通过宫颈内口)或子宫输卵管造影
This article retrospectively analyzed 260 pregnant women with singleton pregnancies at the Serlin Maternity Hospital in Israel from 1979 to 1989 who underwent cervical cerclage with cervical incompetence and compared with the previous pregnancy outcome in the same group. Surgery in 12 to 16 weeks of pregnancy, are using McDonald method. Diagnostic criteria for cervical insufficiency are as follows: (1) A history of late abortion or preterm birth characterized by painless cervical dilatation. (2) pre-pregnancy Hegar’s test positive (cervical dilator on the 8th through the mouth of the cervix) or hysterosalpingography