Possible hazards in estrogen administration.
D001940:Breast / Q000187:drug effects; D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects; D004717:Endometrium / Q000187:drug effects; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011372:Progestins
D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins