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。

youdao

BMI greater than 30 (or less than 20 in women) is associated with decreased fertility in both men and women.

BMI大于30(或女性小于20)则意味着男性和女性生育力降低。

youdao

Educational attainment in women and girls has been correlated with decreased fertility and smoking rates, increased age of marriage, adequate birth spacing and overall treatment adherence.

妇女和女童获得教育，可以降低生育率和吸烟率，提高结婚年龄，适当拉开生育间隔，并增强总体治疗依从性。

youdao

And over the past several years you do see a general trend towards modestly increased fertility and modestly decreased mortality across the region.

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