Major British study finds no association between use of the pill and development of breast cancer.
D000293:Adolescent; D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012306:Risk; D006113:United Kingdom
D003276:Contraceptives, Oral