My son is 13 weeks old and EBF. Yesterday was his first day at daycare. When I called to check in on him they said he appeared to have gas or struggle with reflux as when they tried to bottle feed him he got stiff and straight as a board and fussed and squirmed while trying to be fed. Then during a burping session he wouldn’t lay slump over their shoulder and was arching his back. He does this for me occasionally but I didn’t think it was reflux. Could it be gas/reflux or just general fussiness at the bottle?