A woman's weight influences her fertility, two new studies suggest.
两项新的研究表明，女性的体重可能会影响她的生育能力。
Previous studies had shown that consuming too much coffee affected female fertility.
之前不少的研究已经正式，过量的饮用咖啡或导致女性的生育能力下降。
Several studies have found that women who smoke have decreased fertility.
救援知识很多研究都表明，女性吸烟者的生育率较低。
Several studies have found that women who smoke have decreased fertility.
救援知识很多研究都表明，女性吸烟者的生育率较低。
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