A Sexually Active Female Adolescent Asks the Nurse About the Contraceptive

A sexually active female adolescent asks the nurse about the contraceptive Depo-Provera.The nurse should explain that it:

A) requires injections every 3 months.
B) requires daily administration of medication by mouth.
C) provides long-term continuous protection, up to 5 years.
D) prevents pregnancy if given within 72 hours of unprotected sex.