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_Women over 65 can end screening if they have had several negative tests in a row over a certain time period. But women in that age group who have a history of pre-cancer should continue routine screening for at least 20 years.

_The cancer society says women who have gotten a new vaccine against HPV still need routine screening.

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Online:

Task force guidelines: http://www.annals.org

Cancer Society guidelines: http://cacancerjournal.com