Colic Cause 2: An Immature Gut One of the most common causes of colic is bloating and trapped wind. Many babies have immature digestive systems and can’t yet move well enough to relieve their own gas — which can cause real discomfort and pain. But if all babies have immature guts, why do some suffer more than others? It could be due to their gut microbiome 🦠 🧬 Your baby’s gut microbiome begins developing in the womb. If you, as the mother, have gut issues like IBS, this imbalance in bacteria c