In the perspective of the busy life schedule in the modern society, the accepted minimum period of sexual cohabitation resulting in no offspring for a couple to be declared infeile is:: (A) One year, (B) One and a half-year, (C) Two years, (D) Three year
Answer is A. 90% of couple who are cohabiting for at least one year with out contraception will have a conception. This is on monthly conception rates of 20 - 25 % in normal young couples attempting pregnancy.