Progestin-Only Birth Control Linked to Small Increase in Breast Cancer Risk
Current or recent use of progestin-only contraceptives was associated with a small increase in risk of breast cancer, similar to the risk associated with combined hormonal contraceptives, according to a nested case-control study and meta-analysis from the U.K. In the nested case-control study of data from the Clinical Practice Research Datalink, women had a comparable […]