Why Every Centimeter Matters When Feeding Nano-Preterm Infants

By Gina Shaw“Nano-preterm” infants, defined as birth before 25 weeks' gestation or less than 750 g, are a population so physiologically distinct that applying standard preterm nutrition guidelines to them is not just imprecise, it may be actively harmful, suggested presenters at the ASPEN 2026 Nutrition Science & Practice Conference, in Long Beach, California. But the evidence as to exactly what guidelines should apply in this uniquely vulnerable group of babies is sparse at best