Roed, C, Skovby, F, et al. [Severe Vitamin B12 Deficiency in Infants Breastfed by Vegans]. Ugeskr Laeger 171(43)3099-101.
Weight loss and reduction of motor skills were documented in pediatric evaluation of a 10-month-old girl and a 12-month-old boy. Both children suffered form anemia and delayed development due to vitamin B12 deficiency. The latter was presumably caused by strict maternal vegan diet during pregnancy and nursing. Therapy with supplemental vitamin B12 relieved the symptoms. Since infants risk irreversible neurological damage following severe vitamin B12 deficiency, early diagnosis and treatment are mandatory. Vegan and vegetarian women should take vitamin B12 supplementation during the pregnancy and nursing period.