Conclusion Ultrasound screening in the first trimester can effectively detect the abnormal fetuses in some degree, but the second trimester screening is still necessary.
结论孕早期超声筛查能早期检出部分严重、早发的胎儿异常，但不能替代孕中期超声筛查。
The abnormal rate of pregnant woman or husband chromosome sickness that carried unusual chromosome and malformed fetuses were 33.33%(3/9) and 15.63% (5/32), respectively.
孕妇本人或丈夫染色体携带者异常染色体检出率为33.33%（3/9）；胎儿畸形的异常染色体检出率为15.63%（5/32）。
Objective To study the role of prenatal serum screening and ultrasound in diagnosis of abnormal chromosome in fetuses.
目的探讨唐氏儿血清学筛查及超声检查在诊断胎儿染色体异常中的价值。
Ultrasound plays an important role in the diagnosis of abnormal chromosome in fetuses.
超声检查在胎儿染色体异常诊断中具有重要价值。
Methods Serum screening data of 5 907 pregnant women with Down's syndrome and abnormal chromosome in 40 fetuses, admitted to our hospital during the past 3 years, were retrospectively analyzed.
方法对近3年我院5 907例孕妇血清学筛查结果及40例因胎儿结构异常进行染色体检查的病例进行回顾性分析。
Methods Serum screening data of 5 907 pregnant women with Down's syndrome and abnormal chromosome in 40 fetuses, admitted to our hospital during the past 3 years, were retrospectively analyzed.
方法对近3年我院5 907例孕妇血清学筛查结果及40例因胎儿结构异常进行染色体检查的病例进行回顾性分析。
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