Infertility is the problem which occurs to the couple when they are unable to conceive a child for one year of unprotected intercourse involving a male and female partner. 

Family planning is the ability of the couples to attain their desired number of children. It is achieved through use of contraceptive methods and the treatment of involuntary infertility.

Miscarriage is also known  as a spontaneous abortion and pregnancy loss.Miscarriage happens when an embryo dies before the 20th week of pregnancy. It usually happens in the cases of early pregnancies.