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前置胎盘是妊娠晚期出血的主要原因和对母子生命威胁较大的产科急症之一。现将我院1971年1月至1980年12月十年间161例前置胎盘病例分析报告如下: 临床资科 1、发病率: 我院过去十年间前置胎盘的年平均发病率为1.65％,没有发现随着年份的推移而增加或减少的趋势。本组以19岁至30岁年龄组发病最多。有124例(占77.0％)。经产妇119例(占73.9％),初产妇42例(占26.1％);无流产叱者132例(占82％),有流产史者29例(占18％);其中有一次流产史者23例(占79.3％)有两次以上流产史者6例(占20.7％)。
The placenta previa is one of the main causes of bleeding in the third trimester of pregnancy and the obstetric emergency that threatens the lives of both mother and child. Now in our hospital from January 1971 to December 1980 ten years of 161 cases of placenta previa as follows: Clinical Information Section 1, the incidence rate: our hospital in the past decade the average annual incidence of placenta previa was 1.65% No trend of increase or decrease over the years was found. The group of 19 years old to 30 years of age group most affected. There are 124 cases (77.0%). There were 119 cases of abortion (73.9%), 42 cases of primipara (accounting for 26.1%), 132 cases of abortion (82%) and 29 cases (18%) of abortion history. One of the abortion history 23 cases (79.3%) had more than two abortion history in 6 cases (20.7%).