When you are two months pregnant, if you have a stomach ache before you pass gas, it may be caused by indigestion, irritable bowel syndrome, pelvic inflammatory disease, etc., and you need to analyze it specifically. 1. Indigestion: If a pregnant woman has indigestion when she is two months pregnant, it may lead to abnormal intestinal peristalsis, accompanied by intestinal spasms, which may cause stomach pain before exhaustion. 2. Irritable Bowel Syndrome (IBS): If a pregnant woman usually has IBS, she will be prone to intestinal dysfunction under the stimulation of cold and emotion, and will experience stomach pain before exhaustion. 3. Pelvic inflammatory disease: If the pregnant woman has pelvic inflammatory disease, then the pelvic tissues may be pulled during the exhaust, resulting in stomach pain. In addition, the above symptoms can also be seen in other reasons, if the symptoms continue to be unable to alleviate, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to clarify the specific causes of the disease, and standardized treatment.