Fig. 1From: Prenatal and postnatal antibiotic exposure influences the gut microbiota of preterm infants in neonatal intensive care unitsa Shannon index of PAT and PAF groups on postnatal d7 and d14. b Colonization percentage of five gut bacteria in the PAT group. c Colonization percentage of five gut bacteria in the PAF control group. d Bacteriodetes in the PAT and PAF groups on d7 and d14Back to article page