What is the risk of breast cancer in women who take oral contraceptives?
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In older studies, oral contraceptive (OC) use in women was associated with a small increase in the relative risk of breast cancer during use and in the first 10 years after stopping. Newer studies of patients using lower dose OCs have not found such an association. (SOR B, based on heterogeneous cohort studies)
Evidence Based Practice 12(8): 09-10.