An Anxious Teenager Consistently Notices Increased Vaginal Discharge About a Week

An anxious teenager consistently notices increased vaginal discharge about a week after her period. She is not experiencing pain, itching, or unusual odor. Her doctor is likely to tell her that

A) changes in cervical mucus are normal during the menstrual cycle.
B) changes in cervical mucus are unusual in healthy women.
C) her symptoms suggest an easily treatable yeast infection.
D) she should be tested for cancer with a Pap smear.
E) the increased discharge suggests endometriosis.