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产前血清学筛查MoM低值和临界风险在染色体异常诊断中的应用 被引量:13

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摘要 目的探讨孕中期血清学二联筛查MoM低值和超声见可疑异常、血清学临界风险孕妇行产前染色体诊断的价值。方法应用时间分辨荧光免疫分析系统(TRFIA)对68 021例孕中期孕妇进行血清甲胎蛋白(AFP)和游离绒毛膜促性腺激素β(β-hCG)定量检测,结合各种影响因素,利用Lifecycle风险计算软件,综合评估胎儿21-三体(唐氏综合征,DS)和18-三体(爱德华氏综合征,ES)风险值。AFP中位数倍数(MoM)值低于0.4、游离β-hCG MoM值低于0.25及DS风险值处于1/800-1/270、ES风险值处于1/800-1/350的临界风险孕妇,实施与染色体异常相关的胎儿系统超声检查,发现可疑异常者行产前染色体检测。结果共筛查出临界风险孕妇5687例,MoM低值孕妇319例。61例超声检查可疑异常临界风险孕妇进行了产前染色体诊断,确诊染色体异常7例;74例MoM低值孕妇进行了产前染色体诊断,确诊染色体异常10例。结论血清学筛查AFP、β-hCGMoM低值和临界风险中超声见可疑异常的孕妇,行产前染色体诊断是十分必要的。
出处 《江苏医药》 CAS 北大核心 2013年第16期1942-1944,共3页 Jiangsu Medical Journal
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参考文献5

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二级参考文献6

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同被引文献100

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