Level 1: Causes of Stomach Pain in Four Months of Pregnancy During four months of pregnancy, stomach pain is a relatively common phenomenon. This pain may be caused by contractions or for other reasons. Generally speaking, mild stomach pain will not affect the fetus, but if the pain lasts for a long time or is accompanied by other discomforts, you need to seek medical treatment in time. Common causes of stomach pain include dilatation, abnormal position of the placenta, pregnancy-induced hypertension, etc. Level 2: How to relieve stomach pain in four months of pregnancy. If you have mild stomach pain, you can take