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通过对产前诊断高风险、高龄孕妇及B超异常孕妇的羊水细胞进行培养,分析胎儿染色体核型,比较不同产前检查指征异常组的胎儿染色体畸变检出率,发现产前诊断高风险、高龄孕妇及B超异常三个组的胎儿染色体畸变检出率分别为6.52%、4.07%和5.26%,经卡方检验,三组间两两比较均无显著差异(P>0.05),产前诊断高风险、高龄孕妇及B超异常均是产前诊断中判断是否需要进行染色体核型分析的重要指征。
Prenatal diagnosis of high-risk, older pregnant women and pregnant women with B-cells of amniotic fluid culture, analysis of fetal karyotypes, compared with different prenatal abnormalities in fetus fetal chromosomal aberration detection rate and found that prenatal diagnosis of high risk , The detection rate of fetal chromosomal aberrations in elderly pregnant women and B ultrasound abnormalities were 6.52%, 4.07% and 5.26% respectively. There was no significant difference (P> 0.05) Pre-diagnosis of high-risk, elderly pregnant women and B-abnormalities are prenatal diagnosis to determine whether the need for an important indicator of karyotype analysis.