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Screening of Down\'s syndrome on early pregnancy
Author(s): 
Pages: 12-13,18
Year: Issue:  1
Journal: Chinese Journal of Healthy Birth & Child Care

Keyword:  唐氏综合征NTPAPP-AFree-β-HCG;
Abstract: 目的 探讨孕早期母体血清标志物及B型超声的联合筛查,在提高唐氏综合征(Down\'s syndrome,DS)筛查率的作用.方法 对孕早期(10~13+6W)孕妇行B型超声胎儿NT值测定,并用时间分辨荧光免疫法检测孕早期母血中PAPP-A、Free-β-HCG的含量,对结果高危的孕妇行遗传咨询及追踪随访,并通过染色体核型分析以予确诊.结果 筛查2 560例孕妇,NT高危46例、血清检测DS高危268...
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