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[Breastfeeding and vegan diet].
J Wagnon1, B Cagnard, L Bridoux-Henno
1Département de Médecine de l'Enfant et de l'Adolescent, CHU Hôpital Sud, 16, boulevard de Bulgarie, 35056 Rennes Cedex 2.
Summary
Vegan diets in breastfeeding mothers can lead to vitamin B12 deficiency in infants, causing severe neurological impairment and developmental delays. Early screening and vitamin supplementation are crucial for prevention.
Area of Science:
- Neurology
- Pediatrics
- Nutrition
Background:
- Vegan diets are increasingly popular but require careful planning during pregnancy and lactation.
- Vitamin B12 is essential for neurological development and is primarily found in animal products.
Observation:
- A 9.5-month-old infant exclusively breastfed by a vegan mother presented with severe hypotonia and impaired growth.
- The infant exhibited macrocytic anemia and cerebral atrophy on MRI, indicative of severe vitamin B12 deficiency.
Findings:
- The infant's vitamin B12 deficiency was directly linked to her mother's own deficiency, stemming from her vegan diet.
- Maternal vitamin B12 deficiency was evident even at the time of hospital discharge postpartum.
Implications:
- Exclusive breastfeeding of infants by vegan mothers poses a significant risk of vitamin B12 deficiency and irreversible neurological damage.
- Healthcare providers must educate pregnant and lactating women on vegan diets about the risks of vitamin B12 deficiency.
- Proactive screening, nutritional counseling, and timely vitamin B12 supplementation are vital for at-risk infants and mothers.