Infertility is a condition defined by the failure to achieve apregnancy after 12 months or more of regular unprotected sexual intercourse (WHO).
Fecundity or probability to achieve pregnancy in humans is about 20 % per month. About 85 % of couples achieve pregnancy after 12 months and 15 % of couples needs medical treatments to cure infertility.
Causes of infertility:
Female infertility 30% Male infertility 30 % Both male and female 30% Unexplained infertility 10 %