在怀孕初期脸检验胎儿织绒毛或羊水内细胞,辅出超音波扫描器看胎选的头及手脚,可以确断胎儿有否患上唐氏综合症,从而由家长决定是否需要人工流产。
预防的办法是做好产前筛查必要时产前诊断,然后终止妊娠防止这类孩子出生。
预防的办法是做好产前筛查必要时产前诊断,然后终止妊娠防止这类孩子出生。
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