Hello,
In infertility, there are host of other
causes like age, taking up alcohol or certain drugs that
causes infertility,
food, coffee, and many causes beyond these. Infertility starts to kick in slowly from age 30 and more rapidly from age 35 onwards in women.
Moreover, medical causes may be due to problems in ovulation,tubes,uterus,cervix,endometriosis,pituitary,hypothalamus or secondary male infertility. Also, the quality of egg and sperms decrease with advancing age .