What does the oral contraceptive pill taken by females contain in its composition?

$A$ sterilisation technique in females which blocks gamete transport and thereby prevents conception is

Choose the incorrect sentence regarding the physical contraception method.

Differentiate between the natural method of family planning and the artificial method of family planning.

$IUDs$ are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about $IUDs$?
$(a)$ $IUDs$ decrease phagocytosis of sperm within the uterus.
$(b)$ The released copper ions suppress the sperm motility.
$(c)$ $IUDs$ do not make the cervix hostile to the sperm.
$(d)$ $IUDs$ suppress the fertilization capacity of sperm.
$(e)$ The $IUDs$ require surgical intervention for their insertion in the uterine cavity.
Choose the most appropriate answer from the options given below:

Which of the following is highly effective as an emergency contraceptive?