Harvard Women's Health Watch

Study finds weak link between birth control and breast cancer

Overall risk is very small, and older women who used hormonal contraceptives many years ago aren’t likely to have a higher risk. Hormonal birth control — whether it comes as pills, injections, a ring, an intrauterine device (IUD), or an implant — may raise your risk of breast cancer, according to a study published Dec. 7, 2017, in The New England Journal of Medicine. …

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