Assertion : Copper $-T$ is an effective contraceptive device in human females.
Reason : Copper $-T$ prevents passage of sperms from vagina upwards into fallopian tubes.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Implants under the skin and injectables contain
$A$ : Periodic abstinence is one such natural method of contraception in which the couples avoid or abstain from
coitus from day $10 \;to\; 17$ of the menstrual cycle, when ovulation could be expected.
$R$ : $Day \;10 \;to \;day \;17$ of menstrual cycle is considered as safe period
Choose the correct option for $A, B, C$ and $D$
Which of the following is not a natural/traditional contraceptive method?
Action of vaginal diaphragm is