In male sterilization,$A$ is cut and tied. This process is called $B$. Fill in the correct option for $A$ and $B$.

Which process do the contraceptive pills $Today$ and $Nim-72$ use to prevent fertilization?

What is the purpose of contraceptive pills?
$I$. They inhibit ovulation and implantation
$II$. They alter the quality of cervical mucous to prevent or retard the entry of sperms
$III$. They prevent the ejaculated semen from entering the female vagina
$IV$. They inhibit spermatogenesis

Describe the location and function of Diaphragms and Foams in the context of reproductive health.

Mark the correct statement.

When can emergency contraceptives be used?