Answer
Marvelon's product information reports a slightly increased relative risk of breast cancer diagnosis in current combined oral contraceptive users (RR 1.24), with a small absolute excess that appears to disappear by 10 years after stopping; earlier diagnosis, biological effects or both may explain the association.
Sources for this answer
- MarvelonOrganon Pharma (UK) Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 18Document updated
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