Basal Temperature Testing
Can Basal Temperature Testing Diagnose
Low Thyroid Function?One simple assessment of thyroid health is done by assessing your basal (or resting) body temperature. Your basal temperature reflects your metabolic rate which is largely determined by the activity of your thyroid gland. A basal body temperature test can be done at home, making this an easy way to assess thyroid activity. Low temperature readings can indicate sluggish metabolism, often a direct result of an underactive thyroid. To do this test all you require is a good quality thermometer. Procedure For Basal Temperature Testing Place a digital thermometer by your bed before going to sleep at night
- On waking, place the thermometer in your mouth. It is important to make as little movement as possible. Lying and resting with your eyes closed is best. Do not get up until you have completed the test.
- Read and record the temperature and date.
- Perform this test on at least FIVE mornings, preferably at the same time of day. Menstruating women must perform this test away from time of ovulation. Your body temperature naturally rises at this time. If you are not sure when you are ovulating take the test on the second, third, fourth and fifth days of menstruation.
Men and postmenopausal women can perform the test at any time.
Your basal body temperature should be between 97.6 - 98.2 Fahrenheit or 36 - 37 Celsius (36.5 Celsius is ideal). Your basal temperature is usually considered along with other signs & symptoms of low thyroid activity.
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