title: Oral contraceptives and the uterine vessels.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008881:Migraine Disorders / Q000139:chemically induced; D014599:Uterus / Q000098:blood supply*; D014652:Vascular Diseases / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral