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目的探讨杭州市余杭区2007年进行母血清产前筛查(以下简称产前筛查)的孕产妇中,胎儿有缺陷的发生情况。方法由乡镇卫生院宣传发动,区属医院定点采血,区妇幼保健院集中递送标本,省产前诊断中心进行血清筛查检测。结果余杭区产前筛查高风险发生率为3·63%,高风险孕妇中经产前诊断确诊21-三体综合征1例、神经管畸形(NTD)2例;21-三体综合征发病率为0·21‰,NTD的发病率为0·42‰。结论产前筛查和产前诊断是减少出生缺陷发生的的重要措施,产前筛查结合三维超声筛查可大大减少先天缺陷的出生。
Objective To investigate the occurrence of fetal defects in Yuhang District of Hangzhou in 2007 for maternal prenatal screening (hereinafter referred to as prenatal screening). Methods Publicity by the township hospitals, the district is a hospital sentinel blood collection, district MCH centralized delivery specimens, prenatal diagnostic center for serum screening test. Results The prevalence of prenatal screening in Yuhang District was 3.63%. In high-risk pregnant women, 21 cases were diagnosed as 21-trisomy by prenatal diagnosis and 2 cases of neural tube defects (NTD). 21-trisomy syndrome The incidence rate was 0.21 ‰ and the incidence of NTD was 0.42 ‰. Conclusion Prenatal screening and prenatal diagnosis are important measures to reduce birth defects. Prenatal screening combined with three-dimensional ultrasound screening can greatly reduce the birth of birth defects.