What could be the reasons for adopting contraceptive methods?

Explanation

i) The use of contraceptive methods help in family planning (birth control). By adopting contraceptive methods, a couple can avoid unwanted pregnancy. They can choose many children to have and when to have them. A couple can also space the birth of children properly by using contraceptive methods.
ii) Some of the contraceptive methods (like the use of condom) also provide protection to a person from sexually transmitted diseases.