The Nurse Points Out That the Use of Oral Contraceptives

The nurse points out that the use of oral contraceptives has increased the risk of acquiring a sexually transmitted infection (STI) because oral contraceptive pills: (Select all that apply.)

A) increase the level of progesterone.
B) cause an alkaline vaginal environment.
C) may reduce the perception of the need for condom use.
D) decrease the inflammatory response.
E) alter cervical secretions.