[人工流产中的进一步染色体分析（作者译）]
[A further chromosome analysis in induced abortions (author's transl)].
作者信息
Yamamoto M, Ito T, Watanabe G
出版信息
Hum Genet. 1976 Sep 10;34(1):69-71. doi: 10.1007/BF00284438.
PMID:965008
Abstract
The cytogenetic data of 500 unpublished cases of induced abortions are reported. The incidence of gross chromosome abnormalities was 7.4% (37/500). The frequencies of chromosome abnormalities after 6 gestational weeks decreased gradually with advancing the gestational weeks, while the frequency in the group of 5 gestational weeks remained considerably high as 25.0%.
摘要
报告了500例未发表的人工流产病例的细胞遗传学数据。染色体明显异常的发生率为7.4%（37/500）。妊娠6周后染色体异常的频率随着孕周增加而逐渐降低，而妊娠5周组的频率仍相当高，为25.0%。
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