新疆地区3512例新生儿染色体异常发生率的分析

Analyses of the incidence of chromosomal aberrations in 3512 newborns in Xingjiang.

本文采用Ｇ显带技术分析了３５１２例新生儿染色体。发现染色体异常有８例，其异常发生率为０．２３％。并根据历史事件，对本地区新生儿染色体异常发生率低于国内外的原因进行了分析。

Chromosome analyses of 3512 newborns were done by G banding. 8 out of 3512 newborns revealed the presence of chromosomal aberrations (0.23%). The reason why the incidence (0.23%) was lower than previous reports (0.60 0.73%) was analysed.