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前置胎盘是妊娠后期出现阴道流血,为常见症候群,胎儿的死亡率也很高,Niemimen等报道可达63.9％,中央性前置胎盘较低位性前置胎盘胎儿死亡率高三倍,目前在国内临床上,对前置胎盘处理以保守期待治疗为主,但中央性前置胎盘多因出血量多危及产妇、胎儿生命被迫以剖宫产终止妊娠,故围产儿罹病率及死亡率高。根据中央性前置胎盘的病因、病理,作者在临床上采用“宫颈紧缩术”,它有效的阻止子宫下段及胎盘绒毛扩张,使胚胎尽可能成熟,妊娠达以延续。
The placenta previa is a vaginal bleeding during pregnancy, a common syndrome, fetal mortality is also high, reported Niemimen so up to 63.9%, central placenta previa lower placenta previa 3 times higher fetal death rate, at present in the The domestic clinical treatment of placenta preemptive conservative treatment, but the central placenta previa due to more bleeding and more endangering the fetus was forced to cesarean termination of pregnancy, so perinatal morbidity and mortality is high . According to the central placenta previa, pathology, the author in clinical use of “cervical compression surgery”, which effectively prevent the lower uterine segment and placental villi expansion, so that the embryo as mature as possible, to extend the pregnancy.