If the baby is a girl, the doctor then takes a sample of amniotic fluid for testing for further matching with the father's genes.
如果胎儿是女孩，医生会提取羊水样本做进一步的测试，检测是否和爸爸基因匹配。
Amniocentesis is much more invasive than the triple screen requiring a needle to extract a sample of the amniotic fluid through the abdomen.
与三重检验相比，羊膜穿刺术更具有攻击性，它要求用针穿过腹部来提取羊水样本。
Amniocentesis is much more invasive than the triple screen, requiring a needle to extract a sample of the amniotic fluid through the abdomen.
与三重检验相比，羊膜穿刺术更具有攻击性，它要求用针穿过腹部来提取羊水样本。
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