title: Megaloblastic anemia due to folic acid deficiency after oral contraceptives.
mesh_terms: D000328:Adult; D000748:Anemia, Macrocytic / Q000209:etiology*; D000749:Anemia, Megaloblastic / Q000209:etiology*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D005492:Folic Acid / Q000378:metabolism; D005494:Folic Acid Deficiency / Q000139:chemically induced* / Q000150:complications; D006801:Humans; D009644:Norgestrel / Q000009:adverse effects
chemical_list: D003276:Contraceptives, Oral; D009644:Norgestrel; D004997:Ethinyl Estradiol; D005492:Folic Acid