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我们于1988年11月至1989年5月,对自然发动宫缩经阴道分娩的新生儿80例,测定其产前及产后的双顶径(BPD)和头围(HC),观察胎头的变形能力,并以同期儿头未经受压以剖宫产结束分娩的新生儿78例作对照观察,现报道如下.1 资料与方法1.1 病例构成:孕39～41~(+6)周、单胎、无合并症和并发症的正常孕妇80例,平均年龄为26.4±2.8岁,初产妇77例,经产妇3例,枕前位62例,枕后位13例,枕横位5例,新生儿平均体重3388.1±3.2g,分娩方式:顺产77例,产钳3例。1.2 仪器与方法:(1)我们使用的仪器是日本Aloka-SSD 280型线
We from November 1988 to May 1989, the natural launch of contractions vaginal delivery of 80 newborns, measured prenatal and postnatal biparietal diameter (BPD) and head circumference (HC), observed the fetal head Deformability, and to the same period without pressure in cesarean section to end the delivery of newborns in 78 cases as control, are reported as follows.1 Materials and Methods 1.1 Case: 39 ~ 41 ~ (+6) weeks of pregnancy, Totally 80 pregnant women with single fetus, no complications and complications, the average age was 26.4 ± 2.8 years, 77 primipara, 3 maternal women, 62 anterior occiput, 13 posterior occipital, 5 occipital transverse , The average weight of newborns 3388.1 ± 3.2g, mode of delivery: delivery of 77 cases, forceps in 3 cases. 1.2 instruments and methods: (1) we use the instrument is Japan Aloka-SSD 280 type line