maternal smoking

常见例句

Maternal smoking increased the risk of miscarriage and premature delivery.
孕妇吸烟增加流产及早产危险。
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There was no difference in maternal smoking, drinking and having disease during pregnancy between case and control group(P>0.05).
母亲孕期吸烟、饮酒及患病史在病例组及对照组间差异无统计学意义（P>0.05）。
The study found that children exposed in the womb to maternal smoking had differences in DNA methylation, an epigenetic mechanism in which small chemical compounds are added to DNA.
研究发现，母亲孕期吸烟，孩子在DNA甲基化上表现出差异，DNA甲基化是一种表观遗传学机制，在这个过程中化学小分子添加到DNA上。

The authors also did not control for smoking in the home or for indoor pollutants, although they did control for maternal smoking.
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