根据产妇年龄，有些国家也提供了入侵检测的妇女超过35人，最久的5%的怀孕妇女。

Based on maternal age, some countries offer invasive testing to women over 35; others to the oldest 5% of pregnant women.

youdao

根据产妇年龄，有些国家也提供了入侵检测的妇女超过35人，最久的5%的怀孕妇女。

Based on maternal age, some countries offer invasive testing to women over 35; others to the oldest 5% of pregnant women.

youdao