Fear of coldness in pregnant women may be due to anemia, normal physiological reactions, weakness, or infections and fever. 1. Anemia: Many women during pregnancy, especially in the middle and late stages of pregnancy, have iron deficiency anemia. In mild iron deficiency anemia, there are no obvious symptoms. In severe iron deficiency anemia, pregnant women will have symptoms such as chills, fatigue and dizziness. 2. Normal physiological reaction: in the early stage of pregnancy, the placenta and fetus in the abdomen are in the development stage, and pregnant women need to consume more energy to maintain a certain temperature. If the ambient temperature is low at this time, pregnant women may feel cold. 3. Weakness: some pregnant women themselves are too thin, coupled with the impact of pregnancy, subcutaneous fat is seriously lacking, due to the lack of body fat, the loss of fat insulation, caused by the fear of cold symptoms. 4. Infection fever: If a pregnant woman has a cold, or gastrointestinal infections, or other parts of the infection, resulting in the body temperature regulation center suffered the impact of bacteria or viruses, there will be fever, cold phenomenon. If the pregnant woman is afraid of cold obviously, the body temperature rises, it is recommended to consult a doctor in time, identify the cause of the disease, and follow the doctor’s instructions for treatment.