Neonatal Neonatal necrotizing enterocolitisnecrotizing enterocolitisKunyao YuKunyao YuOutlineRisk factorBacterial&NECIntestinal defense mechanismClinical presentation Bells stageTreatmentRisk FactorPrematureLow birth weight(1500g)Broad-spectrum antibioticsFeedingBacterial&NECIntestinal bacterial colonization in the infant -Delivery method -FeedingDeliveredDelivered vaginally vaginallyDelivered viaDelivered via cesarean cesarean sectionsectionBacterial ColonizationLactobacillus,Prevotella,Sneathi