Serum vitamin B12 levels in pregnant women.
D000328:Adult; D005260:Female; D005313:Fetal Death / Q000209:etiology; D005319:Fetal Hemoglobin / Q000032:analysis; D005865:Gestational Age; D006801:Humans; D007752:Obstetric Labor, Premature / Q000209:etiology; D011247:Pregnancy; D013223:Statistics as Topic; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000453:epidemiology
D005319:Fetal Hemoglobin; D014805:Vitamin B 12