Periodic abstinence is a method of birth control that involves avoiding sexual intercourse during which phase?

Vasectomy has no effect on the sexual life of a male because:

Identify the false statement regarding the techniques of contraception.
$I$. There are many side effects of tubectomy and vasectomy.
$II$. The purpose of tubectomy is to prevent egg formation.
$III$. The most important component of the oral contraceptive pill is progesterone.
$IV$. Contraceptive oral pills help in birth control by preventing ovulation.

Which of the following is included in non-medicated $IUDs$?

Which of the following is the world's first non-hormonal oral contraceptive pill for females,developed by scientists at the Central Drug Research Institute $(CDRI)$ in Lucknow,India?

$Statement 1$: Use of condoms is a safeguard against $AIDS$ and sexual diseases besides checking pregnancy.
$Statement 2$: Certain contraceptives are planted under the skin of the upper arm to prevent pregnancy.