Suggest three contraceptive methods to control the size of human population which is essential for the health and prosperity of a country. State the basic principle involved in each.

List any four methods of contraceptions used by humans. How does their use have a direct effect on the health and prosperity of a family.

List any four methods that can be adopted by human-beings for contraception. Explain in brief how the health and prosperity of a family is affected, if these methods are adopted by the husband or the wife.

The growing size of the human population is a cause of concern for all people. The rate of birth and death in a given population will determine its size. Reproduction is the process by which organisms increase their population. The process of sexual maturation for reproduction is gradual and takes place while general body growth is still going on. Some degree of sexual maturation does not necessarily mean that the mind or body is ready for sexual acts or for having and bringing up children. Various contraceptive devices are being used by human beings to control the size of population. Which contraceptive method changes the hormonal balance of the body?