Fear of cold in early pregnancy is usually caused by improper warming measures, and the second consideration is caused by diseases such as upper respiratory tract infections. 1. Improper warming measures: women in the early stages of pregnancy generally do not appear to be afraid of cold this symptom, but if the early stages of pregnancy, do not do a good job of warming measures, go out wearing too little clothing, and at the same time the temperature is lowered, will feel afraid of the cold, which is the normal situation. 2. Upper respiratory tract infection: Upper respiratory tract infection is mainly caused by pathogen infection, commonly viral and bacterial infection. If you have an upper respiratory tract infection during pregnancy, you may experience symptoms such as coughing, runny nose and fever. When the body is feverish, there will be fatigue, chills and other uncomfortable symptoms, which will lead to chills. Under normal circumstances, women do not experience chills in early pregnancy. Therefore, if you have chills, you need to take measures to keep warm. If accompanied by an elevated body temperature, you should consult a doctor for a clear diagnosis. If it is caused by upper respiratory tract infection or other diseases, you should cooperate with the doctor for symptomatic treatment, and not self-medication.