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How to chart temperature


How do I take my temperature when fertility charting?

There are a few guidelines to follow when taking your basal body temperature (BBT) to make sure you get the best interpretation on your chart.

  • Take your temperature as soon as you wake up in the morning, before doing anything else.

  • Take your temperature at the same time every morning, or as close to the same time as possible. Note the time if you are not recording it right away. (Fertility Friend can automatically record the time when you enter it.)

  • Take your temperature after a solid few hours of sleep.

  • Take your temperature using a special BBT thermometer.

  • Enter your data on your chart in your Fertility Friend app or bedside notepad as soon after taking your temperature as possible.

Your Basal Body Temperature (BBT) is a critical fertility sign because it is the best sign to confirm ovulation and pinpoint your ovulation date with a high degree of precision. This is because your BBT responds to the hormone progesterone, which is only present in high amounts after ovulation.

When you consistently record your BBT, you can see that temperatures are relatively lower before ovulation and higher after ovulation. Once a few higher temperatures are observed, ovulation can be identified for the day before your temperature rise.


The Benefits of Basal Body Temperature / BBT Monitoring

How to chart your basal body temperature / BBT

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