A pregnant woman’s body temperature of 37.1°C is usually normal if there are no other abnormal symptoms. After a woman is pregnant, the level of progesterone increases, which can cause the body temperature to be higher than the previous body temperature, but usually not higher than 37.3℃. Pregnant women are advised to observe their body temperature closely, if the temperature rises ≥37.3℃, it is considered that it may be a cold and fever, pay attention to whether there are some accompanying symptoms, such as coughing, coughing up phlegm, chest tightness, shortness of breath, etc., and go to the hospital to do the relevant laboratory tests and examinations if necessary. Through the nucleic acid test of pharyngeal swabs and routine blood tests, etc., it is clear whether there is inflammatory infection. In addition to observing the symptoms of upper respiratory tract, if the body temperature rises during pregnancy, you should also pay attention to whether there are symptoms related to the digestive tract, such as abdominal pain, diarrhea and so on. If a pregnant woman eats unclean food and develops digestive symptoms as well as a mildly elevated body temperature, it may be acute gastroenteritis, and she should go to the Gastroenterology Department in a timely manner to do the relevant examinations, which will require blood tests for routine blood tests, and, if necessary, infection-related indicators, including CRP, PCT, and so on. After pregnancy, the metabolism speeds up, the body temperature rises mildly is normal, as long as it does not exceed 37.3 ℃, there are no other abnormal symptoms, pregnant women do not need to worry too much, you can drink more water, open the window to ventilate the body to relieve the feeling of fever. If the fever is accompanied by other uncomfortable symptoms, such as cough, chest tightness, diarrhea, abdominal pain, etc., you should seek medical attention.