...翻译网站 关键词】 超声检查；异常胎儿；颈项透明层；临床诊断价值 [gap=1022]Key words】 ultrasonography; abnormal fetuses; nuchal translucency thickness; clinical diagnosis value ..
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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。
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。
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