It is true that you may feel feverish in the early stage of pregnancy, mainly because the effect of progesterone during pregnancy will increase the basal body temperature and often feel feverish, but clinically, if measured with a thermometer, it will not exceed 37.5 degrees. If the temperature exceeds 37.5 degrees, it is a pathological condition. It is recommended to drink more water to increase the amount of urine, so that the body temperature will tend to decrease. In the early stage of pregnancy, due to individual differences, each person has different clinical symptoms under the effect of hormone levels, and some pregnant women may feel cold in the early stage, which are normal early pregnancy reactions.