A nurse in a health clinic is reinforcing teaching to a newly licensed nurse about vaginal yeast infections. Which of the following information should the nurse include in the teaching?

"There is usually no itching with vaginal yeast infections as the fungus does not invade the vaginal wall."

"Vaginal yeast infections present as a thick, white discharge."

"The use of oral contraceptives will decrease the risk for vaginal yeast infections."

"Treatment for vaginal yeast infections must be prescribed by the provider."