The Pap test, also called a Pap smear or cervical cytology screening, checks for abnormal changes in the cells of the cervix and allows early treatment so that abnormal cells do not become cancer.

What causes abnormal Pap test results?

The main cause of abnormal Pap test results is infection with human papillomavirus (HPV). There are many types of HPV. Some types have been linked to cancer of the cervix, vulva, and vagina. Other types have been linked to genital warts. Continue reading →