title: Endogenous and exogenous endocrine factors.
abstract: The relationship between breast cancer risk and age at menarche, age at first pregnancy, use of birth control pills, and use of postmenopausal replacement estrogens is reviewed.
authors.affiliation: Department of Preventive Medicine, University of Southern California, School of Medicine, Los Angeles.
authors.forename: B E
authors.initials: BE
authors.lastname: Henderson
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology / Q000209:etiology*; D016022:Case-Control Studies; D015331:Cohort Studies; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects; D004967:Estrogens / Q000009:adverse effects; D005260:Female; D014943:Global Health; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006801:Humans; D008572:Menarche; D008593:Menopause; D008875:Middle Aged; D011247:Pregnancy; D012307:Risk Factors
chemical_list: D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens; D012739:Gonadal Steroid Hormones