In the perspective of the busy life schedule in the modern society, the accepted minimum period of sexual cohabilitation resulting in no offspring for a couple to be declared infertile is:

If a couple fails to achieve pregnancy after one year of “unprotected” and regular intercourse, it is an indication to investigate the couple for infertility. • Infertility: – Primary : When no previous pregnancies have occurred. – Secondary : When a prior pregnancy although not necessary although not necessary a live birth, has occurred.