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我院自1966年1月至1983年7月30日,共收入院分娩前置胎盘产妇162例,报道如下。资料与分析一、发病率:在此期间共收产妇25257例,其中前置胎盘162例,其发病率占0.64%(1559:1),比50年代国内文献报道要低。二、年龄:本组产妇平均年龄为27.24±4.15岁,患病年龄大多集中于21～30岁之间(69.13%)。三、孕龄及孕产次:本组孕36周以前分娩占46.9%(76/162),37～40周分娩占46.9%(76/162),41周以上分娩的占5.55%(9/162),另有1例孕龄不详。本组初产妇71例,经产妇91例。四、前置胎盘的类别与阴道出血发生早晚的关系:本组低置胎盘59例(36.42%),部分性前置胎盘45例(27.78%),中央性前置胎盘58例(35.8%)。
Our hospital from January 1966 to July 30, 1983, a total of 162 cases of prenatal delivery of placental maternal labor, reported as follows. Data and Analysis I. Incidence: During this period a total of 25,257 pregnant women were enrolled, of which 162 were placenta previa, the incidence rate of 0.64% (1559: 1), lower than the domestic literature in the 1950s reported. Second, the age: The average age of the group of maternal 27.24 ± 4.15 years, most of the age of sickness concentrated in the 21 to 30 years old (69.13%). Third, gestational age and pregnancy time: 36.9% (76/162) were delivered before 36 weeks ’gestation, 46.9% (76/162) at 37 ~ 40 weeks’ birth, 5.55% (41.5% 162), and another case of gestational age unknown. The group of primipara in 71 cases, 91 cases of mothers. There were 59 cases (36.42%) with low placenta, 45 cases (27.78%) with partial placenta previa, 58 cases (35.8%) with central placenta previa, .