Choose the correct pair.

Which of the following statement$(s)$ is/are correct about diaphragms,cervical caps,and vaults?

Match the following columns regarding the types of Intrauterine Devices $(IUDs)$:

Column $1$	Column $2$	Column $3$
$(a)$ First generation	$(p)$ High contraceptive efficacy	$(w)$ Non-medicated
$(b)$ Second generation	$(q)$ Effect on uterine lining	$(x)$ Metal ion releasing
$(c)$ Third generation	$(r)$ Low contraceptive efficacy	$(y)$ Hormone releasing

Find out the correct choice for $Cu$-based $IUDs$.
$I$. Increases phagocytosis of sperms.
$II$. Releases $Cu^{2+}$ ions that suppress the sperm motility and fertilizing capacity of sperms.
$III$. Make the uterus unsuitable for implantation.

Which oral contraceptive is developed by $CDRI$?

Progesterone is a very important component of oral contraceptive pills. It prevents implantation by ..........