There are physiologic and pathologic causes of protruding and bulging stomach. Physiological causes include overeating, mid-late pregnancy, etc. Pathological causes include pyloric obstruction and stomach tumors.
1. Physiological reasons: frequent overeating can lead to stomach dilatation; stomach protrudes in mid-late pregnancy due to abdominal enlargement and extrusion.
2. Pathological causes: such as pyloric obstruction, food can not be emptied in time, leading to gastric dilatation, but also nausea, vomiting and other symptoms; such as gastric tumors, with the increase of the swelling can lead to gastric protrusion, but also lethargy, fatigue and other symptoms.
For the reason of stomach protruding and bulging, it is recommended to consult a doctor to clarify the cause with the combination of symptoms, gastroscopy, standing abdominal plain film and other examinations.