Contraceptive methods can be behavioral, barrier, or hormonal. which of these is a barrier method of contraception?

Out of the following given choices;

a) birth control patch

b) birth control pill

c) birth control sponge

The answer is C. Barrier control methods of contraception are those that physically prevent the chances of fusion if egg and sperm. The birth control sponge is a form like substance inserted in the vagina and attached to the cervix and contains spermicide. The device physically closes the opening of the cervix so the sperm doesn’t pass to the uterus. The spermicide also deactivates the sperms. Other barrier control methods of contraception include condoms, diaphragm, and cervical cap.