More than 3 months pregnant, the hidden pain in the stomach has more reasons, it may be inflammation of the gastrointestinal tract, eat cold food, or the abdomen is cold, may cause gastrointestinal discomfort symptoms. Cause this paroxysmal pain, there may also be appendicitis, gynecological ovarian disease, there are also cases of urinary system diseases. If you usually have gastritis, you can also experience abdominal pain and discomfort, usually the pain in appendicitis and urinary stones is more pronounced, persistent and not accompanied by vomiting. If it is gastroenteritis, especially stomach disease, the pain is mainly concentrated in the upper abdomen under the raphe of the hidden pain, take acid-suppressing drugs will be improved, or diet more attention. If it is appendicitis and urinary stones, you need to go further to the hospital to do ultrasound for basic judgment, and then the corresponding treatment.