The four methods of contraception used by humans are :
(i) Mechanical barrier method.
(ii) Chemical methods
(iii) Oral Pills
(iv) Surgical methods
Sexual act always has the potential to pregnancy. Pregnancy makes major demand on the body and mind of woman and if she is not ready, her health will be adversely affected. Contraceptive methods help in avoiding pregnancy and also help in keeping gaps between two children so that women's body recovers. These methods help in limiting the number of children one or two.
