Early pregnancy will have a slight pain in the stomach, which is caused by the enlargement of the uterus, so that pregnant women will have a hidden pain or falling sensation in the lower abdomen, similar to the pre-menstrual signs or menstrual cramps, especially in the standing up or turn around the pain is particularly pronounced, which may be due to the uterus to increase, pulling round ligaments caused by. This may be due to the enlargement of the uterus and the stretching of the round ligaments. In this case, you should pay more attention to your diet, do not engage in strenuous exercise, and pay attention to a regular routine. In addition, the uterus will also cause pressure on the stomach, thus making the bowel movement weakened during pregnancy, indigestion, causing abdominal pain, pregnant women should pay attention to not indiscriminate use of drugs during pregnancy. At the same time, the discomfort should go to the hospital for timely examination to confirm the size and location of the pregnancy sac in the uterus and the development of the fetus, to understand the cause of the pain, targeted treatment, so as to avoid the impact on the pregnant woman and the fetus.