TGFB2 and necrotizing enterocolitis: Based on the results obtained, we believe that exclusive breastfeeding by mothers after caesarean section and premature births with colostrum containing high TGF-β2 levels may prevent the negative impact of pathogens which often colonize the gastrointestinal tract and it may reduce the risk of necrotizing enterocolitis in premature neonates as well as chronic diseases in the future.