Study subjects will be followed prospectively for up to 15 months. 15 months was chosen because some patients may be late getting their one-year follow ups. AHLTA records and colposcopy clinic convenience files will be reviewed for each patient periodically. Patients who meet criteria to return to routine annual Pap smear, based on ASCCP guidelines, during the next 11 to 15 months will be considered as "reversion". Those patients who have ASCUS, + HPV, LGSIL, or HGSIL on Pap smear at 11 to 15 months past their original Pap smear will be considered "persistent". Historical control subjects will also be grouped into "reversion" and "persistent" using the same criteria.