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74例胎儿生长受限脐血染色体核型分析 被引量:3

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摘要 目的:探讨脐血染色体异常与两种类型的胎儿生长受限之间的关系。方法:将2007年5月-2009年12月在湖北省妇幼保健院74例胎儿生长受限的病例分为两组:均称型FGR组和不均称型FGR组,对其进行脐血染色体核型分析并比较两组脐血染色体异常率。再将31例均称型胎儿生长受限的病例分为两组:合并胎儿畸形组与不合并胎儿畸形组,进一步比较两组脐血染色体异常率。结果:检出异常核型8例,染色体异常检出率为9.4%(8/74),其中均称型FGR组异常检出率为16.1%(5/31),不均称型FGR组检出率为7.0%(3/43),两者异常率无统计学差异。8例异常核型中,染色体数目异常6例,包括三倍体1例、18-三体2例、21-三体1例、13-三体1例、Turner综合征1例;染色体结构异常2例,包括染色体平衡异位1例,倒位1例。11例合并胎儿畸形的均称型FGR脐血染色体异常率为36.3%(4/11);20例未合并胎儿畸形均称型FGR脐血染色体异常率5.0%(1/20),两者异常率差异有统计学意义。结论:脐血染色体异常是均称型FGR的主要原因之一;染色体三体为脐血染色体主要异常核型;
出处 《中国妇幼保健》 CAS 北大核心 2011年第6期884-885,共2页 Maternal and Child Health Care of China
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