Changes in hormone levels in early pregnancy and relatively poor digestive function can cause a slowing of intestinal peristalsis, and sensitive pregnant women may feel bloated and painful; in addition, the enlarged uterus pulls the surrounding ligaments during pregnancy, while pressing the tissues around the pelvic cavity, and the pelvic cavity becomes congested with blood, which can also lead to bloating and pain in the stomach. This discomfort usually lasts for a short period of time and the symptoms are mild, so no treatment is needed. However, we should also pay attention to the exclusion of abnormalities during pregnancy, such as pre-eclampsia, ectopic pregnancy, gastroenteritis, etc., and take timely treatment according to the cause.1. Pre-eclampsia: Pre-eclampsia can cause stomach distension and pain, and also symptoms of vaginal bleeding, once it occurs, you should seek medical attention, ultrasound examination, clear diagnosis and treatment. The former can be treated by intramuscular progesterone or oral progesterone preparations, while the latter can be treated with oral small doses of thyroid tablets. After the vaginal bleeding stops, if the ultrasound examination indicates that the embryo is alive, the pregnancy can be continued; if the examination indicates that the embryo is stunted, choose to terminate the pregnancy under the guidance of the doctor; 2. Ectopic pregnancy: if it has not yet passed the ultrasound examination, it may be a case of ectopic pregnancy, and the pregnant woman will experience pain and soreness in the small abdomen, and if rupture occurs, it can progress to severe pain as well as vaginal bleeding and other symptoms, in which case the pregnant woman should In this case, pregnant women should go to hospital for treatment as soon as possible. Clinically, two main treatment methods are used, namely surgery and medication, of which surgery includes conservative surgery and radical surgery, the former is mainly applied to young women with fertility requirements, the latter is applied to acute patients with ectopic pregnancy without fertility requirements and internal bleeding complicated by shock, and medication is generally chemotherapy, which is mainly applied to patients with stable condition and persistent ectopic pregnancy after conservative surgery. Patients with persistent ectopic pregnancy can be treated with methotrexate locally or systemically after examination and meeting the conditions of chemotherapy; 3. Gastroenteritis: improper diet after pregnancy may induce gastroenteritis, causing symptoms such as abdominal distension and abdominal pain, it is recommended to improve the pain around the navel by adjusting dietary institutions and taking probiotics in appropriate amounts, etc. If the pregnant woman is accompanied by severe diarrhea, nausea and vomiting in addition to abdominal pain, it is recommended to promptly consult a doctor, if the pregnant woman is accompanied by severe diarrhea, the first clinical rehydration treatment to replenish the lost water and trace elements, while paying close attention to whether the fetus is in good condition, under the guidance of a doctor can take a more moderate oral antidiarrheal agent; 4, other: in addition to early pregnancy belly distension can also be seen in appendicitis, pregnancy combined with gynecological diseases and other cases, if the pain lasts longer, or intense, it is recommended to seek medical attention in a timely manner to Avoid causing danger. In the early stages of pregnancy, the embryo is unstable, so you should pay attention to rest, eat light and easy to digest, exercise should be based on walking and yoga for pregnant women and other gentle exercises, avoid overwork and mental tension, once you find abdominal pain, vaginal bleeding and other abnormalities, you should immediately seek medical attention.