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孕中期产前筛查30159例结果分析 被引量:26

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摘要 目的 探讨孕妇孕中期血清标记物产前筛查胎儿神经管畸形、染色体异常为主的先天缺陷。方法 应用时间分辨荧光检测仪检测孕中期血清标记物(AFP、Fβ-HCG)。结果 30 15 9例孕妇中检出各类高风险人群共2 15 4例,其中DS高风险有184 4例,占筛查总数的6 .1% ;NTD高风险有2 6 6例,占筛查总数的8.8‰;18三体高风险有4 4例,占筛查总数的1.4‰。确诊异常胎儿86例,其中染色体异常2 2例,脊柱裂等异常6 4例。低风险中发现唐氏综合征2例。异常胎儿在人群中检出率为2 .8‰,假阳性率为6 .8%。结论 孕中期应用母血清二联生化指标进行产前筛查,结合产前诊断是减少出生缺陷发生的一种重要有效手段之一。
出处 《中国优生与遗传杂志》 2005年第5期70-70,67,共2页 Chinese Journal of Birth Health & Heredity
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