Gastroscopy is generally not allowed during pregnancy, but it can be done in emergency situations with adequate insurance measures. Before gastroscopy, surface anesthetics or intravenous anesthesia is generally required. Pregnancy is a special period, and if the pregnant woman is allergic to the anesthetics or has adverse reactions after using them, it will jeopardize the health of the pregnant woman and the development of the fetus in the womb. Secondly, the gastroscopy process needs to send the examination instrument into the throat, esophagus and other parts of the pregnant woman, until the stomach, the examination process is easy to stimulate the pregnant woman nausea, vomiting, stomach tugging and other uncomfortable symptoms, if the pregnant woman’s reaction to the serious or excessive nervousness, it is easy to stimulate the uterus contraction, increase the chance of miscarriage during pregnancy. It is generally recommended not to do gastroscopy during pregnancy, but if the pregnant woman has persistent gastrointestinal bleeding, after conservative treatment is ineffective, in order to prevent hemorrhagic shock and deterioration of the condition of the pregnant woman, you can go to the hospital to do gastroscopy, but to ensure that the pregnant woman herself and the fetus safety.