Based on Rome III criteria, functional disorders of GI are listed below: Infant regurgitation: -regurgitation two or more times per day for 3 or more weeks -no retching, hematemesis, aspiration, apnea, FTT, abnormal posturing Infant rumination syndrome: -repetitive contraction of abdominal muscle -regurgitation of gastric content in to the mouth and reswallowed Cyclic vomiting syndrome: -Two ...