The method of sterilization is:

Match the following items in List-$I$ with List-$II$:

List-$I$	List-$II$
$(1)$ Condom	$(a)$ Semen without sperm
$(2)$ Copper-$T$	$(b)$ Inhibits ovulation
$(3)$ Vasectomy	$(c)$ Prevents sperm from reaching the uterus
$(4)$ Mala-$D$	$(d)$ Prevents fertilization

Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.

Diaphragms,cervical caps,and vaults are:

Which of the following graphs is the correct representation of the level of progesterone in a female who has been using Mala-$D$ as a method of birth control?

The action of a vaginal diaphragm is