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胎儿性染色体异常与产前诊断指征分析 被引量:4

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摘要 目的分析胎儿性染色体异常与产前诊断高危指征2_N的关系,探讨胎儿性染色体异常的发生情况。方法对1696例高危孕妇行羊膜腔穿刺术,取羊水进行细胞培养、制备中期染色体,常规G显带,分析胎儿核型。结果1696例孕妇检出16例(0.94%)性染色体异常,其中2例45,X;3例47,XXX;3例47,XYY;5例47,XXY;1例45,X/46,XX;1例47,XXY/45,XY和1例47,XYY/46,XY。结论血清学筛查高风险和高龄孕妇的胎儿存在性染色体异常的风险。
作者 郑芳秀
出处 《常州实用医学》 2015年第5期301-302,共2页 CHANGZHOU PRACTICAL MEDICINE
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