Oral contraceptive and reproductive risk factors for ovarian cancer within sisters in the breast cancer family registry

Abstract

Background:Oral contraceptive use has been consistently associated with a reduced risk of ovarian cancer in unrelated, average risk women; however little data exist on whether this benefit extends to higher risk women from cancer families. To examine this, we conducted family-based analyses using the Breast Cancer Family Registry.Methods:We used generalised… (More)
DOI: 10.1038/bjc.2013.803

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