It is not normal to have low fever in early pregnancy. There will be some early pregnancy reactions in early pregnancy, and the common early pregnancy reactions include nausea, regurgitation and vomiting, small abdominal pain, back pain, constipation and frequent urination. But there is no reaction of low fever. If you have low fever in early pregnancy, you need to go to the hospital to find out the cause of low fever. In the early stage of pregnancy, due to the increase of hormone level in the body, there will be uncomfortable symptoms in the body, which is a normal early pregnancy reaction. However, if you have low fever, headache, dizziness and other symptoms in the early stage of pregnancy, you need to distinguish them from early pregnancy reactions and see if the cause of the low fever is due to cold, wind chill or upper respiratory tract infection. If you experience severe pain in the abdomen or vaginal bleeding, you should go to the hospital in time.