Birth Control Pills Still Linked to Breast Cancer, Study Finds

Women using birth control pills and I.U.D.s that release hormones face a higher risk than those using methods without hormones, scientists in Denmark reported.

Women who rely on birth control pills or contraceptive devices that release hormones face a small but significant increase in the risk for breast cancer, according to a large study published on Wednesday.The study, which followed 1.8 million Danish women for more than a decade, upends widely held assumptions about modern contraceptives for younger generations of women. Doctors and many women have believed that newer hormonal contraceptives are much safer than those taken by their mothers or g...