A slightly higher than normal temperature of 37.6 in a pregnant woman may be due to normal physiological factors. It may also be caused by pathological factors, which generally require medical attention as soon as possible. 1. Physiological factors: if you drink hot drinks, strenuous exercise, emotional excitement, indoor stuffy ventilation, too much clothing, just take a bath, etc., will lead to high body temperature, if the body temperature is measured after an hour to drop, it may be physiological factors lead to a temporary increase in body temperature. 2. Pathological factors: some women due to their own physical reasons, there will be symptoms such as low immunity, which leads to viral and bacterial infections, resulting in a rise in body temperature, if after an hour of measurement of the body temperature did not decrease, may be the pathological factors that lead to an increase in body temperature. If the body temperature does not decrease after lifestyle modification, you should consult a doctor in time to clarify the cause of the disease and under the guidance of the doctor.