title: Folic acid and vitamin B12 deficiency in pregnancy and in the neonatal period.
abstract: The fetus, the neonate, and the pregnant woman have a greater requirement for folic acid and vitamin B12 and are more likely to suffer from a deficiency of these vitamins. This article reviews the source, requirement, absorption, and metabolism of these vitamins and discusses the problems attributed to their deficiency in pregnancy and in the neonatal period.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D000740:Anemia / Q000209:etiology; D000013:Congenital Abnormalities / Q000209:etiology; D005260:Female; D005492:Folic Acid / Q000378:metabolism / Q000627:therapeutic use; D005494:Folic Acid Deficiency / Q000150:complications / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008607:Intellectual Disability / Q000209:etiology; D009436:Neural Tube Defects / Q000209:etiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control; D011250:Pregnancy Complications, Hematologic / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000188:drug therapy / Q000517:prevention & control
chemical_list: D005492:Folic Acid; D014805:Vitamin B 12