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妊娠期限过长(超过42周)容易发生胎儿宫内窒息和新生儿呼吸道并发症,这是围产医学中的一个重要课题。据国内报道,过期妊娠的死亡较足月妊娠约高24.2倍,死产高12倍,死胎高4倍多。因此过期妊娠被列为高危妊娠。近年来,我们采用B超检测结合临床体征,用剖宫产方法处理过期妊娠66例。现将有关资料分析如下。 1 资料和方法:我院于1985年1月～1988年10月共分娩2315例,因各种原因而剖宫产总数为250例,占分娩总数的10.79％。其中过期妊娠者200例,占分娩总数的8.64％。而因过期妊娠剖宫产者66例,占过期妊娠的33％。诊断:①过期妊娠:按Naegele算法,
Excessive gestational age (over 42 weeks) is prone to fetal asphyxia and neonatal respiratory complications, which is an important issue in perinatal medicine. According to domestic reports, the death of overdue pregnancy about 24.2 times higher than full-term pregnancy, 12-fold high stillbirth, stillbirth more than 4 times. Therefore, expired pregnancy is classified as high-risk pregnancy. In recent years, we used B-detection combined with clinical signs, treatment of 66 cases of expired pregnancy with cesarean section. The relevant information is as follows. 1 Materials and Methods: In our hospital from January 1985 to October 1988 a total of 2315 cases of delivery, cesarean section for a variety of reasons, a total of 250 cases, accounting for 10.79% of the total number of deliveries. 200 cases of late pregnancy, accounting for 8.64% of the total number of deliveries. 66 cases of cesarean section because of expired pregnancy, accounting for 33% of overdue pregnancies. Diagnosis: ① outdated pregnancy: According to Naegele algorithm,