Evaluation of a Novel Human Milk Fortifier in Preterm Infants

Inclusion Criteria: * 700-1500g birth weight * 33 weeks or less gestational age * Appropriate for gestational age * Initiate enteral feeds of human milk by 21 days of life * Mother provided exclusive human milk feeds * Parents allow both human milk and study human milk fortifier * Singleton or twin birth Exclusion Criteria: * Feeding preterm infant formula or non-study human milk fortifier * Expected at facility less than 15 days * Congenital anomalies/disease affecting growth and development * 5 minute APGAR of 4 or less * Steroid use * ECMO * Grade III or IV PVH/IVH * Mechanical ventilator dependency * Maternal incapacity * History of major surgery * Asphyxia * Confirmed NEC or sepsis * Use of probiotics