前置胎盘的发病因素及其对妊娠结局的影响

目的:分析前置胎盘的发病原因并比较完全性、部分性和边缘性前置胎盘的妊娠结局。方法:回顾性分析5年来惠州市中医院收治的前置胎盘产妇的发病原因和妊娠结局。结果:前置胎盘发病的主要原因有人流史、剖宫产史、盆腔炎、多次分娩史。完全性前置胎盘的比率为31.0%,部分性前置胎盘的比例为50.0%,边缘性前置胎盘为19.0%。前置胎盘剖宫产率为91.64%,产后出血率为36.2%,出血原因有宫缩乏力、胎盘粘连及植入、胎盘附着面出血等。结论:前置胎盘是威胁母儿生命的严重并发症,减少人流次数、注意生殖卫生、降低剖宫产率、实行计划生育是防止发生前置胎盘的重要措施。

Effect of pathogenic factors of placenta previa on pregnancy outcome

Objective:To analyze the pathogenic factors of placenta previa and compare the pregnancy outcomes of women with complete,partial and marginal placenta previa.Methods:The pathogenic factors of placenta previa and pregnancy outcomes of women in the hospital in the past five years were analyzed retrospectively.Results:The main pathogenic factors of placenta previa included history of induced abortion,history of cesarean section,pelvic inflammatory disease and more times of birth.The proportions of complete,partial and marginal placenta previa were 31.0%,50.0% and 19.0%,respectively.The rate of cesarean section in women with placenta previa was 91.64%,the incidence of postpartum hemorrhage was 36.2%,the causes of postpartum hemorrhage included uterine inertia,placental adherence,placenta implantation and placental surface bleeding and so on.Conclusion:Placenta previa is a severe,life-threatening complication,reducing the times of induced abortion,paying more attention to reproductive health,reducing the rate of cesarean section and implementation of family planning are important measures for prevention of placenta previa.