[Congenital abnormalities caused by deficiency: vitamin B-12 deficiency].
D000013:Congenital Abnormalities / Q000209:etiology*; D004032:Diet; D005260:Female; D006801:Humans; D015596:Nutrition Assessment; D011247:Pregnancy; D039401:Prenatal Nutritional Physiological Phenomena; D014806:Vitamin B 12 Deficiency; D014815:Vitamins
D014815:Vitamins
ABNORMALITIES/etiology; PREGNANCY/nutrition and diet