Effectiveness of Donor Human Milk Supplementation for the Treatment of Hypoglycemia in the Breastfed Infant

Mother-infant pairs will be consented for participation via informed written consent. Inclusion Criteria: * Mother/infant dyads deliverying at Nebraska Medicine hospital (Omaha, NE, USA). * Infant in the normal newborn nursery, born greater than or equal to 36 weeks gestational age. * Infant with blood glucose after delivery of \< 40 milligrams/deciliter within the first four hours of life OR blood glucose levels less than 45 milligrams/deciliter after four hours of life * Deliverying mother plans to exclusively breastfeed. Exclusion Criteria: * Infants born and directly admitted to the newborn intensive care unit * Infants with known congenital abnormality or known inborn error of metabolism that influences growth and metabolic outcomes * Infants deemed ward of state * Mothers who do not plan to exclusively breastfeed at time of delivery * Mothers less than 19 years of age