2.2.4. Exclusion Criteria 
NEC, omphalocele, congenital abnormalities, enterocolitis, Sepsis Death
HEART HYPOPLASTIC LEFT SYNDROME, ENTEROCOLITIS, NECROTIZING ENTEROCOLITIS
Formula feeding Small for gestational age (birth weight < 3rd percentile) Presence of congenital abnormalities, which increase the risk of necrotizing enterocolitis such as hypoplastic left heart syndrome, transposition of the great arteries, omphalocele, gastroschisisNecrotizing enterocolitis (NEC) Withdrawal of feeding > 7 days Sepsis Death 