A Female Student,seen in the Campus Clinic,states That She Uses

A female student,seen in the campus clinic,states that she uses feminine hygiene douches every day and after intercourse.The best response from the nurse would be:

A) "Douching has been used as an effective means of birth control for years."
B) "Commercially prepared douches will neutralize the female vaginal tract."
C) "Douching should only be done when ordered by a physician or nurse practitioner."
D) "Douching protects the vaginal tract from microorganisms."