Abstract
The gastrointestinal tract hosts about 10(13) bacterias, viruses, fungi and protozoa that, living in community, form the gut microbiota. Dysbiosis is an imbalance in the composition of this microbiota, and it may occur due to several factors, being the birth pathway the main modulating factor in the neonate. In a state of dysbiosis, the many functions performed by the gut microbiota can b…