Saheli is developed by :

An oral contraceptive pill checks:

Which of the following statements is not true w.r.t. tubectomy or tubal ligation?

'Nirodh' is a popular brand of

$A$: Periodic abstinence is a natural method of contraception in which couples avoid or abstain from coitus from day $10$ to $17$ of the menstrual cycle,when ovulation is expected.
$R$: Day $10$ to day $17$ of the menstrual cycle is considered a safe period.

The contraceptive pills for females are composed of . . . . . . .