这些研究的结果，有可能使FDA要求医生在开具药物之前，对患者进行有关遗传学测试以确定其用药危险性。

Findings from these studies could lead to the FDA requiring genetic tests to determine risk before the drug is prescribed, Woodcock added.

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在这方面进行大量的测试不仅代价高昂，而且也不现实。因为遗传学方面仍然有很多东西是现在的科学家所无法正确理解的。

Extensive testing in this regard is either very expensive or impractical, and there is still a great deal in genetics that scientists have not properly understood.

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研究人员的发现发表在《公共科学图书馆遗传学》（ PLoS Genetics）上，他们希望这能推动一项评估早产风险的测试。

The researchers hope their study, published in PLoS Genetics, could eventually lead to a test for women at risk of a pre-term birth.

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