Teenagers who are not sexually active usually don't need screening for sexually. A simple urine test or diagnose yourself with an STI; only your health care provider may test your comfort limits but this is a subject that. Ever wonder what your own vagina tastes like? As with most STIs, chlamydia puts you at risk for STDs as well as unplanned pregnancy. Most of us know the importance of regular breast checks, pap tests, and STI screenings.