If you have a history of menopause and have a fear of heat, it is likely to be caused by pregnancy, because pregnancy will lead to an increase in basal body temperature, usually around 37°C, but not more than 37.5°C and not less than 36.8°C. Due to individual differences, some people may feel hot and especially hot after pregnancy. Early pregnancy test can be done, and blood can be drawn to see if the blood HCG is elevated. Alternatively, an early pregnancy test can be done using morning urine to find out if you are pregnant. If you are not pregnant, but still have a fear of heat, it is best to check your thyroid function to see if you have hyperthyroidism, because hyperthyroidism can also occur in patients who have a fear of heat, so you should be checked and treated accordingly.