Explain any two spacing methods of birth control.

Explanation

(a) Natural contraception : It is a physiological contraceptive method based on the knowledge of menstrual cycle and conceiving period. In a normal, healthy adult female menstrual cycle will be of 28 days. Tenth to eighteenth day of the menstrual cycle can be considered as the conceiving period. Avoiding copulation during this unsafe period prevents conception, (b) Intra uterine contraceptive methods (IUD): IUDs such as loop and copper - T prevent the implantation of blastocyst. Hence IUDs can be used as contraceptives.