What is better – a glass or digital thermometer?
Either thermometer is acceptable to use as long as it is a basal thermometer and not a fever thermometer. Digital thermometers measure to the one-tenth degree whereas most fever thermometers measure in two-tenth degree increments. Glass thermometers must be kept in for 5 minutes, digital thermometers will give a reading in one minute. If you are getting erratic temperatures with digital you may want to compare them to a glass thermometer, since the glass thermometer can be more reliable.
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- What is better - a glass or digital thermometer?