List any four methods of contraception used by humans. How does their use have a direct effect on the health and prosperity of a family?
Four methods of contraception are : (i) Mechanical barrier - So that sperm does not reach the egg. e.g., condom. (ii) OCPs - Oral Contraceptive Pills act by changing hormonal balance so that eggs are not released. (iii) IUD - Intra uterine device like copper-T to prevent pregnancy. (iv) Surgical method - Blocking vas deferens or fallopian tube. Since pregnancy makes major demands on body and mind of woman, so her health suffers. By contraceptive methods a woman is in better state of health to look after herself and her family.
