Chem Structure (Melodetta 24 Fe 1)
This is a summary of relevant studies regarding the risk of breast cancer with combined oral contraceptives. It includes information on the outcome of various studies such as NICHD Women's Care Study, French ESN cohort study, Shanghai Women's Health study, The Nurses Health Study I and Oxford Family Planning Study. The studies compare the risk of breast cancer for those who have ever used COC vs never used COC, as well as those who currently use COC vs never used COC. Effect estimates are also included.*