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.

• A
  $I, II$ and $III$
• B
  $I$ and $II$
• C
  $III, IV$ and $II$
• D
  $IV$ and $II$