Objective To explore the eugenic high-risk factors distribution in rural pregnancy planning population in order to strengthen prevention works.Methods The existing progestational high-risk factors distribution in 2378 rural pregnancy planning couples (167 couples involved)were analyzed through three classification methods.Results The incidence of progestational high-risk factors in the 2378 rural couples reached 7%.Among them,sexually transmitted diseases and infectious diseases were the prime high-risk factors affecting eugenic practice,which had statistical difference when compared with other risk factors (P<0.05 ).The non-genetic factors and the genetic factors may be distributed with significant difference (P<0.05 ).Conclusion The main high-risk factors affecting eugenic practice among reproductive aged population in rural areas are non-genetic factors,and it is necessary to strengthen propaganda and health education and ear-nestly implement progestational screening,so as to improve the health of newborns and promote the quality of population.%目的：探讨农村计划怀孕人群优生高风险因素分布情况，以加强防范。方法采取3种分类方法对2378对农村计划怀孕夫妇中167对（172人）存在的孕前优生高风险因素分布情况进行分析。结果农村计划怀孕夫妇存在的优生高风险因素达7．0％；其中，性传播疾病和传染（或）感染性疾病为孕前优生的主要风险因素，与其他风险因素比较差异有统计学意义（P＜0.05）；非遗传因素和可能遗传因素分布差异有统计学意义（P＜0.05）。结论影响农村育龄人群优生的高风险因素主要为非遗传因素，必须认真落实孕前优生筛查工作，加强健康教育，才能保证出生人口素质的提高。
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