Question

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

Answer 1

Answer:

The methods of contraception are: Barrier method or mechanical method (Condom/Diaphragm): Prevents the meeting of sperms and ova. Chemical method (Oral pills): Changes the hormonal balance of the female partner so that the eggs are not released

Explanation:

Answer 2

Answer:

1. Barrier method or mechanical method : Condom  or diaphragm is used to prevent the meeting of  sperms and ova.
2. Chemical method : Oral pills change the hormonal  balance of the female partner so that the eggs are  not released.
3. Surgical method : It is used to block the vas  deferens in males or the fallopian tube (oviduct)  in females, to prevent the transfer of sperms or  eggs and hence no fertilization takes place.