A pregnant woman’s body temperature of 37 degrees may or may not be normal, according to physiological factors and pathological factors to determine. 1. Physiological factors: pregnancy in the role of progesterone, pregnant women will usually be higher than the body temperature of women who are not pregnant, pregnancy will lead to continued secretion of progesterone in the corpus luteum, progesterone under the action of pregnant women’s body temperature will be slightly elevated, and part of the pregnant woman in pregnancy, the body temperature may also be more than 37 degrees, at this time in addition to the high body temperature, there are no other signs of infection, the pregnant woman’s body temperature of 37 degrees is normal. 2. Pathological factors: If the pregnant woman’s body temperature reaches 37 degrees or have a tendency to continue to rise, at the same time pregnant women accompanied by coughing, nasal congestion, runny nose, sore throat and other symptoms, do not rule out the possibility of respiratory infections, pregnant women at this time, the body temperature of 37 degrees is not normal. If the pregnant woman body temperature 37 degrees without signs of infection, pay attention to observation, if found abnormal, it is recommended to consult a doctor in a timely manner, after a clear examination, under the guidance of the doctor to carry out symptomatic treatment, to avoid adverse effects on the fetus.