Certain Birth Control Pills May Increase Breast Cancer Risk According To Study

Certain Birth Control Pills May Increase Breast Cancer Risk According To Study
birth control pillsA group of researchers from the Fred Hutchinson Cancer Research Center in Seattle has discovered that women who are taking certain formulations of birth control pills have an increased risk of breast cancer when compared to those not using oral contraceptives. Studies done in the past have shown that oral contraceptives could slightly contribute to a higher risk of breast cancer. However, the majority of such studies relied on self-reported use and did not examine contemporary oral contraceptive formulations. The results of the study, published in the Cancer Research journal and entitled “Recent Oral Contraceptive Use by Formulation and Breast Cancer Risk among Women 20 to 49 Years of Age, analyzed birth control prescription records from a large database of women enrolled in Group Health Cooperative. A total of 1,102 American women aged 20 to 49 years and diagnosed with invasive breast cancer from 1990 to 2009 was analyzed and compared with 21,952 women who remained cancer-free. The team observed that when compared to the control group, women who had used birth control pills in the pre
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