Several studies have found that women who smoke have decreasedfertility.
救援知识很多研究都表明,女性吸烟者的生育率较低。
2
BMI greater than 30 (or less than 20 in women) is associated with decreasedfertility 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。
3
Educational attainment in women and girls has been correlated with decreasedfertility and smoking rates, increased age of marriage, adequate birth spacing and overall treatment adherence.