Which of the following statement is/are correct about diaphragms, cervical caps and vaults?
(a) Barrier methods of contraception
(b) Cover the cervix during coitus
(C ) Protect the user from contracting STDs
(d) They are reusable.
A. A & B only
B. A,B & C
C. A, B & D
D. A,B,C & D