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目的探讨发生前置胎盘的相关原因及降低发生率的可能途径。方法收集2002年1月～2010年12月我所围产保健门诊孕期建册并有明确妊娠结局的前置胎盘152例作为观察组,选择同期紧跟每例前置胎盘后分娩的无前置胎盘152例作为对照组,统计和比较两组孕产妇及围产儿发生的异常情况。结果产妇年龄、流产史及分娩史与前置胎盘的发生相关,两组比较差异有统计学意义(P<0.05);观察组剖宫产率明显增加,易发生孕产期阴道流血、妊娠合并贫血、产后出血,围产儿易发生胎位异常、新生儿窒息,与对照组比较差异均有统计学意义(P<0.01,P<0.05)。结论通过宣传教育减少流产,鼓励适时生育并严格掌握剖宫产指征,可降低前置胎盘的发生率。
Objective To explore the related causes of placenta previa and possible ways to reduce the incidence. Methods From January 2002 to December 2010, 152 cases of placenta accreta placenta accreta who were enrolled in our perinatical outpatient health care clinic and had definite pregnancy outcomes were selected as the observation group. Placenta 152 cases as a control group, statistics and comparison of the two groups of pregnant women and perinatal occurrence of abnormalities. Results Maternal age, history of abortion and history of delivery were correlated with the incidence of placenta previa. The difference between the two groups was statistically significant (P <0.05). The rate of cesarean section in the observation group was significantly increased, vaginal bleeding during pregnancy and pregnancy were likely to occur Anemia, postpartum hemorrhage, perinatal prone fetal abnormalities, neonatal asphyxia, compared with the control group were statistically significant (P <0.01, P <0.05). Conclusions Reducing the incidence of placenta previa by reducing the number of abortions through publicity and education, encouraging timely birth and strictly controlling cesarean section indications.