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With urine-based screening, do sexually active adolescent girls still need annual pelvic examinations? No: recommending annual exams is not evidence based.

Two of every 3 adolescent girls in the United States have had sexual intercourse by age 19, and most use condoms inconsistently, placing themselves at risk of sexually transmitted infections and unintended pregnancy. Rates of chlamydia and gonorrhea are 6 times greater in this age group than the national average. Most of these infections are asymptomatic, making screening an essential technique for infection control. Human papillomavirus infection is the most common sexually transmitted infection in this population and has been linked to an increased risk for the development of carcinoma of the cervix.