Health Information
Abnormal Pap Test
Cause
Most Reference abnormal Pap tests Opens New Window are caused by Reference human papillomavirus (HPV) Opens New Window infections. Other types of infection—such as those caused by bacteria, fungi (yeast), or protozoa (Trichomonas)—sometimes lead to minor changes on a Pap test called atypical squamous cells of undetermined significance (Reference ASC-US Opens New Window). The most common cause is HPV infection. Natural cervical cell changes (Reference atrophic vaginitis Opens New Window) related to Reference menopause Opens New Window can also cause an abnormal Pap test.
| By: | Reference Healthwise Staff | Last Revised: Reference February 9, 2012 |
| Medical Review: | Reference Sarah Marshall, MD - Family Medicine
Reference Kirtly Jones, MD - Obstetrics and Gynecology |
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