Growth and Weight Gain in ELBW Infants Fed an Exclusively Human Milk Based Diet With Prolacta®

Intervention is started with an enteral intake of 100 ml/kg until 32 weeks corrected for prematurity, afterwards a human milk fortifier based on bovine milk is administered until estimated date of birth or 52 weeks corrected for prematurity (weight \<10. percentile) according to ESPGHAN(=European Society for paediatric gastroenterology, hepatology and nutrition) guidelines