title: Epidemiology of oral contraceptives and the risk of breast cancer.
abstract: Extensive studies by the Centers for Disease Control have demonstrated that oral contraceptives do not increase the risk of breast cancer.
mesh_terms: D000328:Adult; D000367:Age Factors; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis; D011372:Progestins / Q000009:adverse effects / Q000032:analysis; D012306:Risk; D013997:Time Factors; D014481:United States
chemical_list: D003276:Contraceptives, Oral; D011372:Progestins; D011374:Progesterone