Uncomfortable stomach in pregnancy may be a normal phenomenon, and may also be caused by factors such as preeclampsia, ectopic pregnancy, aura of labor, gastrointestinal pathology, and so on. 1. Normal phenomenon: after pregnancy, with the growth of the fetus, the uterus continues to grow, there will be stomach discomfort, mainly manifested as acidity and bloating, only occasionally, the symptoms are not too serious, belong to the normal physiological manifestations, do not need to worry too much. 2. Pre-eclampsia: In the early stages of pregnancy, insufficient progesterone or strenuous exercise may induce pre-eclampsia, which will cause stomach discomfort, manifested as mild pain, accompanied by vaginal bleeding. 3. Ectopic pregnancy: After pregnancy, when there is ectopic pregnancy, it can cause stomach discomfort, manifested as pain, the pain may be more intense, accompanied by vaginal bleeding. 4. Prolonged labor: In late pregnancy, if there are symptoms of lower abdominal pain and water breakage, it may be a sign of prolonged labor, which requires urgent medical attention. 5. Gastrointestinal lesions: after pregnancy, due to the weakening of gastrointestinal digestion and absorption, improper diet may induce gastrointestinal lesions, such as dyspepsia, acute gastroenteritis, etc., will cause stomach pain, accompanied by diarrhea, nausea, vomiting and other symptoms. Pregnant stomach discomfort, the symptoms are more obvious, it is recommended that pregnant women seek medical examination and treatment to avoid adverse effects.