孩子出生前诊断是否患有唐氏综合症对于夫妇决定是否继续妊娠是一个非常困难的选择。
A diagnosis before birth can pose a difficult challenge for couples as they decide whether to continue the pregnancy.
唐氏筛查高风险度组和低风险度组的妊娠不良结局分别为31.1%和11.6%，差异有显著性（P<0.05）。
The poor outcome of pregnancy was 31.1% and 11.6% in high-risk group and low risk group of Down′s syndrome, with significant difference (P<0.05).
缺失或缩短的鼻骨长度和中期妊娠胎儿患唐氏综合症的检测。
Absent or shortened nasal bone length and the detection of down syndrome in second-trimester fetuses.
他们排除了受唐氏综合征或别的明显染色体异常情况影响的妊娠。
They excluded pregnancies affected with Down syndrome or other significant chromosome abnormalities.
他们排除了受唐氏综合征或别的明显染色体异常情况影响的妊娠。
They excluded pregnancies affected with Down syndrome or other significant chromosome abnormalities.
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