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Worldwide, cervical cancer is the third most common type of cancer in women. It is much less common in the United States because of routine use of Pap smears.Cervical cancers start in the cells on the surface of the cervix.
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Infection with the common human papilloma virus(HPV) is a cause of approximately 90% of all cervical cancers. There are more than 80 types of HPV.
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Smoking may double the risk of cervical cancer. Chemicals produced by tobacco smoke can damage the DNA of cervical cells.
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