Dynamics and Stabilization of the Human Gut Microbiome during the First Year of Life. InfantGut

The gastrointestinal tracts of mammalians are sterile in utero and colonized by microorganisms immediately after delivery. The subsequent development of the infant gut microbiota involves a complex succession of microbes, driven by factors such as gestational age, mode of delivery, antibiotic use, hygiene, geographical zone and type of feeding.