Beral, ValerieBull, DianaGreen, JaneReeves, Gillian KAustoker, JoanBanks, EmilyChurch, JudithEnglish, RuthPatnick, JuliettaVessey, MartinWallis, Matthew G2015-12-100140-6736http://hdl.handle.net/1885/51486Background: Ovarian cancer is the fourth most common cancer in women in the UK, with about 6700 developing the malignancy and 4600 dying from it every year. However, there is limited information about the risk of ovarian cancer associated with the use ofKeywords: estrogen; gestagen; oral contraceptive agent; adult; alcohol consumption; article; body mass; cancer mortality; clear cell carcinoma; comparative study; controlled study; disease association; female; follow up; histology; hormone substitution; human; hystOvarian cancer and hormone replacement therapy in the Million Women study200710.1016/S0140-6736(07)60534-02015-12-09