The feeling of bloating in the abdomen in early pregnancy is usually caused by two conditions, physiological and pathological, the specific causes and treatments are as follows: a. Physiological factors 1, estrogen and progesterone levels increase: the amount of estrogen and progesterone released in the body increases after pregnancy, resulting in the uterine ligament is tense, spastic state, pregnant women can appear obvious abdominal drop or tingling, bloating feeling, belongs to the normal physiological performance, no special treatment No special treatment is needed. During this period, we should pay attention to rest, avoid overworking, and observe whether there is vaginal bleeding; 2, constipation: the sudden decrease in activity of pregnant women in early pregnancy, eating high protein and high fat food, and insufficient intake of vegetables and fruits may cause a decrease in dietary fiber in the intestine and slow down intestinal peristalsis, resulting in gas or stool in the intestine not being discharged normally, causing constipation, and then abdominal distension and abdominal pain. Attention should be paid to increase the amount of exercise, more fruits and vegetables, to prevent constipation, it can gradually improve. If this happens or if the bloating lasts for a long time, it is recommended to go to the obstetrics and gynecology department of the hospital immediately for fetal preservation treatment, such as bed rest and oral administration of dydrogesterone tablets and progesterone under the guidance of a doctor. 2. ectopic pregnancy: pregnant women can experience a feeling of small abdominal bloating, which may be accompanied by pain and vaginal bleeding. For patients without internal bleeding, methotrexate treatment can be applied, and blood HCG and ultrasound should be reviewed regularly.