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Basal Body Temperature

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Updated January 26, 2011

Basal Body Temperature Chart with Ovulation / iStockPhoto

Basal Body Temperature Chart with Ovulation

Photo © iStockPhoto
Definition:

Your basal body temperature is your body’s temperature at rest. To get an accurate measure, your temperature must be taken in the early morning, before getting up or moving around. (Sitting up and walking around increases your body’s temperature slightly.)

Charting your basal body temperature is a way to track ovulation. After ovulation occurs, most women notice a sustained increase in their basal body temperature.

More information on body basal temperature:

Also Known As: BBT
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