Using which of the following methods will a woman have the lowest risk for sexually transmied pelvic inflammatory disease? a. Oral contraceptives b. Barrier methods of contraception c. An intrauterine...

Using which of the following methods will a woman have the lowest risk for sexually transmied pelvic inflammatory disease?

a. Oral contraceptives

b. Barrier methods of contraception

c. An intrauterine device for contraception

d. A Norplant implant or injectable Depo-Provera for contraception