This question is not the same as the duplicate.
When babies are born theyBabies are born with bacteria in their stomachstomachs. I heard on NPRThe radio that when a child is given antibiotics for the first time takes antibiotics unique bacteria in the stomach isare destroyed and cannot be replaced? Does having them in your body promote better. Is this true, and, if so, does this have negative effects on the health of the newborn?
Closely Related, but different: What bacteria do unborn babies contain?