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妊娠中期不同孕周妇女外周血清标记物中位数及出生缺陷筛查标准 被引量:3

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摘要 目的:通过进行大样本的筛查研究,建立适合国人的出生缺陷筛查标准。方法:检测孕妇不同孕周的血清甲胎蛋白(AFP)和游离人绒毛膜促性腺激素(F-βHCG),确定其正常参考值范围和中位数,然后用孕妇的两个指标实测值分别与正常参考值的中位数相比,得到比值,再用该比值结合孕妇的孕龄、年龄、体重计算风险率。结果:国人出生缺陷筛查标准,AFP<0.7 MoM或>1.5 MoM;F-βHCG<0.5 MoM或F-βHCG>2.0 MoM。结论:建立适合国人的筛查标准,提高出生缺陷的阳性检出率,需进一步研究推广。
出处 《中国妇幼保健》 CAS 北大核心 2005年第18期2324-2325,共2页 Maternal and Child Health Care of China
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