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目的:探讨前置胎盘发病的危险因素及其对妊娠结局的影响。方法:采用病例对照的研究方法,选择72例前置胎盘孕产妇为病例组,随机抽取同期80例正常孕产妇作为对照组,比较两组的临床资料、妊娠结局,评价前置胎盘组的危险因素。结果:前置胎盘的高危因素包括高龄、文化程度较低、胎次多、流产史、盆腔炎、瘢痕子宫等;前置胎盘易导致胎盘粘连、产后出血、早产、1 min Apgar评分下降、低出生体重。结论:前置胎盘发病是单个或者多个因素所致,防治前置胎盘要严格落实计划生育政策,加强孕产妇管理,做到早筛查、早诊断和早治疗。
Objective: To investigate the risk factors of placenta previa and its effect on pregnancy outcome. Methods: A case-control study was conducted. Seventy two pregnant women with placenta previa were chosen as the case group. Eighty pregnant women at the same period were randomly selected as the control group. The clinical data and pregnancy outcome were compared between the two groups to evaluate the risk of placenta previa factor. Results: The risk factors of placenta previa included advanced age, lower educational level, multiple births, abortion history, pelvic inflammatory disease, scar uterus, etc .; placenta previa placenta easily lead to postpartum hemorrhage, premature delivery, 1 min Apgar score decreased Birth weight. Conclusion: The incidence of placenta previa is caused by single or multiple factors. The prevention and treatment of placenta previa should strictly implement the family planning policy, and strengthen the management of pregnant women so as to make early screening, early diagnosis and early treatment.