title: Twin fetal abnormalities.
mesh_terms: D001938:Brazil / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000401:mortality*; D004200:Diseases in Twins / Q000401:mortality*; D005260:Female; D006801:Humans; D011247:Pregnancy; D050497:Stillbirth / Q000453:epidemiology*; D014427:Twins