A Patient Is Using the Contraceptive Sponge as a Birth

A patient is using the contraceptive sponge as a birth control method. What action is important in order to maintain the sponge's effectiveness?

A) Insert the sponge at least 1 hour before intercourse.
B) Thoroughly moisten the sponge with water before inserting.
C) Spermicidal jelly must be inserted at the same time the sponge is inserted.
D) A new sponge must be inserted every time a couple has intercourse.