Both studies are the first to look at BPA's reproductive effect in humans. The adverse effect of BPA on the male reproductive system previously had been examined in animal studies only.

过去曾对双酚a对雄性动物的生殖系统影响进行过研究，而对人的生殖能力影响的研究，现在还是第一次。

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To learn whether they also had an effect on their sisters' reproductive success, researchers investigated 197 women and 76 men.

为了了解兄弟的存在是否会影响女孩子的生殖情况，研究人员调查访问了197位女性和76位男性。

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So, it is necessary to analyze the effect of rural-urban mobility on reproductive behavior.

因此，这里有必要对乡城人口流动对生育行为的影响做一分析。

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Chris Ford of the University of Bristol, one of Dr Farrow's co-authors, speculates that by preventing ovulation and the stresses that it puts on the reproductive system, Pill-using women may, in effect, be cheating time.

ECONOMIST: The Pill

Some type of parabens are known to disrupt hormone function, an effect that is linked to increased risk of breast cancer and reproductive toxicity, but they are just one type of hormone disrupting chemicals found in cosmetics.

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