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目的 :了解前置胎盘合并胎盘植入的危险因素及对母儿的影响。方法 :对在我院 1995年 1月至 1998年 11月间分娩的 5 877例产妇中 83例前置胎盘和其中 10例合并胎盘植入患者的孕周、胎盘位置、产妇年龄、妊娠次数、产后出血量及新生儿 Apgar评分等指标进行统计分析。结果 :在 5 877例分娩产妇中 ,前置胎盘发生率为 1.4% ,合并胎盘植入占前置胎盘的 12 %。经统计分析表明 ,前置胎盘与胎盘植入有相关关系 ,相对危险度为 2 32 .6 9,其 95 %区间估计为 144 .5 4～ 36 8.5 1。结论 :前置胎盘与胎盘植入有相关关系。中央型前置胎盘及≥ 3次以上妊娠为胎盘植入的高危因素
Objective: To understand the placenta accreta placenta previa placenta accreta risk factors and the impact on mother and child. Methods: A total of 8377 placenta previa and 5 placenta accreta placenta accreta in 5 877 maternal women who delivered in our hospital from January 1995 to November 1998 were selected. The gestational age, placenta position, maternal age, number of pregnancies, Postpartum hemorrhage and neonatal Apgar score and other indicators for statistical analysis. Results: Of the 5 877 deliveries, the incidence of placenta previa was 1.4% and placenta accreta was 12% of placenta previa. The statistical analysis showed that placenta accreta placenta previa has a correlation, the relative risk of 2 32.69, its 95% interval was estimated 144.54 ~ 36 8.5 1. Conclusion: Placenta accreta placenta previa has a relationship. Central placenta previa and ≥ 3 or more pregnancies for placenta accreta risk factors