Low Birth Weight

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Babies born pre-term who weigh less than 2 500 grams have low birth weight. Alongside this are extremely low birth weight infants who weigh less than 1 000 grams.  Low birth weight and very low birth weight pose many developmental and lifelong implications for these babies. Complications of low birth weight include an underdevelopment of vital organs such as the brain and lungs, resulting in respiratory issues and brain development issues.1  Babies born with low birth weight or very low birth weight require specialised nutrition to reduce life-threatening complications.

Historically, different feeding methods have been applied to aid very low birth weight babies, including supplemented human milk and donor milk provided through milk banks.1 Studies have revealed that more aggressive nutritional practices, including higher amino acids, lipids, and enteral feedings, were well tolerated by infants and led to improved growth, prompting the development of guidelines based on these findings.  With the understanding that preemie weight babies require personalised nutrition based on factors such as when they were born, prenatal influences, delivery method, maternal health, and medication exposure. AI and multiomics are emerging as tools to refine nutritional strategies, with deep learning aiding in categorising deficiencies and integrated multiomics identifying biomarkers for early diagnosis and intervention. Advancements in this field hold the potential to improve both short-term outcomes and lifelong health.

Since low birth weight and extremely low birth weight infants being at high risk for complications like bronchopulmonary dysplasia (BPD), optimal nutrition is crucial. Inadequate amino acid and lipid intake in the first week increases BPD risk, while early parenteral nutrition (IV feeding) and enteral feeding (digestive tract feeding) help prevent it. 1Nutrition for infants in this category includes tailored interventions to address other specific risks. Retinopathy of Prematurity (ROP) risk decreases with higher fat and carbohydrate intake, early enteral feeding, and exclusive human milk, while amino acid and docosahexaenoic acid supplementation may reduce severe cases. Delayed neuronal development is mitigated through early high-protein intake and human milk, with higher calorie and lipid intake linked to better brain maturation. Necrotising Enterocolitis (NEC) risk is reduced with human milk and early enteral nutrition. Osteopenia of Prematurity is managed through sodium phosphate, calcium, phosphorus, and vitamin D supplementation. Early enteral nutrition helps prevent Parenteral Nutrition-Associated Liver Disease.
Very Low Birth Weight infants require aggressive early nutrition, often starting with parenteral support, to promote growth, brain development, and prevent complications. 

Optimising nutrition for very low birth weight and low birth weight infants is a complex but essential task with significant implications for both immediate well-being and long-term health. While previous limitations in nutritional strategies have been replaced by more aggressive, evidence-based practices, a "one-size-fits-all" approach remains insufficient given the unique needs of each infant. The future of extremely low birth weight and low birth weight nutrition lies in personalised, precision interventions driven by emerging technologies such as artificial intelligence and multiomics. By using these tools to pinpoint deficiencies, identify early biomarkers, and tailor nutritional plans, healthcare professionals can work towards improving outcomes, reducing the risk of complications like bronchopulmonary dysplasia, and guiding these vulnerable infants towards optimal physical and neurodevelopmental health. The integration of these advancements presents a significant opportunity to enhance the quality of life for infants with low birth weight and infants of very low birth weight.
 

Browse through the scientific resources supplied by the Nestlé Nutrition Institute Africa for use in your daily practice and/or studies.