What could be the reasons for adopting contraceptive methods?

What could be the reason for the faster rate of decomposition in the tropics?

Why is tubectomy considered a contraceptive method?

Rahul exercises regularly by visiting a gymnasium. Of late he is gaining weight. What could be the reason? Choose the correct answer and elaborate.

Mention two advantages of lactational amoenorrhea as a contraceptive method.

is the use of contraceptive justified?

How do IUDs prevent contraception?