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Basal Temperature Test
The thyroid sets the body temperature and regulates the metabolism to maintain that temperature. If it is working below capacity, the body temperature will not be as high as it should. The basal temperature is the temperature of the body at rest, when it is doing nothing but maintaining the system. Basal temperature taken under the arm (the axillary temperature) is the most sensitive indicator of thyroid function. 

Men and post-menopausal women can perform the test whenever they choose. 
If you are a woman who menstruates, you must start this test on the second day of your period, as the hormone cycle also affects the temperature. 

Method
Before going to bed, place a thermometer within arms-reach of the bed, ready for the test in the morning. If you are using a regular thermometer, shake the liquid to below the 93ºF (34ºC) mark. 

Take the test as soon as you wake up in the morning. It is important that you have had adequate rest.

Immediately upon waking, before you get out of bed even to go to the bathroom, place the thermometer snugly under your armpit. Hold your elbow close to your side to keep it in place. Wait for one minute, or until the digital thermometer beeps.
Record the temperature and date.

Repeat the test at the same time for two or three more days.


The normal temperature range is 97.6 to 98.2ºF (36.4 - 36.7ºC). A reading under 97.6 (36.4) may indicate functionally low thyroid. A high reading may indicate an overactive thyroid. 


My results:
		Date					Reading
Day 1		______________________	________º
Day 2		______________________	________º
Day 3		______________________  	________º
Day 4 		______________________	________º



Name: ______________________________________

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Test for Thyroid Function