Cervical Cancer (cont.)
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What Are Causes and Risk Factors of Cervical Cancer?
Cervical cancer begins with abnormal changes in the cervical tissue. Infection with human papillomavirus (HPV) is the cause of almost all cervical cancers. Other known risk factors for cervical cancer include early sexual contact, multiple sexual partners, cigarette smoking, HIV infection and a weakened immune system, and taking oral contraceptives (birth control pills).
HPV infection is very common and does not lead to cancer in the majority of cases. Genital infections with HPVs typically cause no symptoms and go away on their own. Sometimes, however, the infection persists. Precancerous changes or ultimately cervical cancer only arises when there is a persistent infection by one of the HPV types associated with cervical and other cancers.
Medically Reviewed by a Doctor on 9/30/2016
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