The gut microbiome at one month of age could be a noninvasive biomarker of gut immaturity and metabolic defects. Escherichia and Staphylococcus proportions were found to be the best indicators of physiological maturity and immaturity, respectively. Escherichia may help the process of intestinal maturation in preterm infants through specific metabolites production and is associated with a better neurodevelopment.
Patin et al. (2026) studied this question.
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