Which of the following is a mechanical barrier used in birth control:
Loop
Copper$-T$
Diaphragm
Dalcon shield
Assertion : Copper $-T$ is an effective contraceptive device in human females.
Reason : Copper $-T$ prevents passage of sperms from vagina upwards into fallopian tubes.
Is the use of contraceptives justified? Give reasons.
Amongst the following methods of contraception, which can be regarded as the most cost effective and easily reversible method of contraception?
Choose correct pair.
The mechanical measure of population control includes