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流产原因甚多,除人为流产外,笔者认为子宫颈机能不全致流产者也非少见。其特点是妊娠中期,无宫缩而宫口渐开大,导致流产或早产,此情况往往反复出现,以致多次身孕却无一子。我们曾用环缩宫颈内口,而使此情况得以改善,收到良好效果。临床资料: 我们收治宫颈机能不全患者9例,全部用丝带行宫颈内口环缩术,6例均在妊娠36—40周内得以正常分娩,其中一例用10号丝线缝合,于妊娠30周宫颈环状割裂而致早产。另一例用双重脐带绳(棉线带)缝合,于妊娠28周缝线断裂而失败。该两例再次妊娠后改用丝带缝合,乃达正常分娩目的。本组年龄在22～30岁(仅一例为30岁),其孕次为
Abortion for many reasons, in addition to human abortion, the author believes that cervical insufficiency caused by abortion are not uncommon. It is characterized by the second trimester of pregnancy, uterine contractions and cervix gradually open, leading to miscarriage or premature birth, this situation often repeated, resulting in multiple pregnancy without a child. We have used ring contraction of the cervix to improve the situation and received good results. Clinical data: We treated patients with cervical insufficiency in 9 cases, all with cervical spine cervical ring contraction, 6 cases were 36-36 weeks of gestation to normal delivery, one case with No. 10 suture, 30 weeks of pregnancy in the cervix Circumferential rupture caused by premature delivery. Another case of double umbilical cord (cotton tape) suture, in the 28th week of pregnancy fracture failure. The two cases again after the switch to ribbon suture, is up to the normal purpose of childbirth. The group aged 22 to 30 years old (only one case of 30 years old), the second time