Stress during the first trimester of pregnancy alters the population of microbes living in a mother's vagina. Those changes are passed on to newborns during birth and are associated with differences in their gut microbiome as well as their brain development, according to a new study by University of Pennsylvania researchers.
During a vaginal birth, a newborn is exposed to its mother's vaginal microbes, collectively known as the microbiota, which importantly colonizes the newborn's gut, helping its immune system mature and influencing its metabolism. These effects take place during a critical window of brain development. Continue reading.
Originally posted on News Medical.
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