A basal thermometer shows you the temperature in tenths of a degree. This allows you to note tiny changes in body heat. This thermometer is faster and more exact than a regular thermometer. Use a simple Fahrenheit temperature chart or Celsius temperature chart to track your temperature for several months.

What is the difference between a basal thermometer and a regular thermometer?

A basal thermometer measures your temperature, just like a regular digital thermometer. The difference is that it measures very small increments: 1/10th or even 1/100th of a degree.

Where do you put a basal thermometer?

Keep your thermometer accessible from your bed so you do not have to get up to get it. If you are taking your temperature orally make sure to place the thermometer towards the back of your mouth and under the tongue for better accuracy. Use the same thermometer throughout your cycle if possible.