What is contraception? Make a list of birth control measures and explain the application of any two of them.

Explanation

Any method which prevents fertilization after sexual intercourse may be considered as contraception.
(a) Oral contraception
(b) Intra uterine devices
(c) Mechanical barriers
(d) Rhythm method
(e) Sterilization
Application of contraceptive methods:
(a) Natural contraception: It is a physiological contraceptive method based on the knowledge that the normal menstrual cycle of 28 days. Tenth to eighteenth day of menstrual cycle can be considered as conceiving period. Avoiding copulation during this unsafe may prevent conception
(b) Intra uterine contraceptive methods (IUD): IUDs such as loop, Copper-T prevent the implantation of blastocyst. Hence IUDs are used as safer contraceptives