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Tips for Tracking Your Fertility

You will start charting your fertility on the first day of your menstrual cycle, which is the first day of your period.

Charting Your Menstrual Cycle

If your period starts late at night, you can start charting the next day. If you start charting at a time other than the start of your cycle, please note the start of your period as cycle day one.

Charting Sexual Intercourse

Make sure that you are consistent. When recording intercourse, you can wait to record intercourse that happens after you have gone to bed when you get up the next morning.

Charting Your BBT

  • Take your temperature at the same time every morning.
  • Take your temperature first thing when you wake up in the morning. Do not eat, drink or smoke prior.
  • Make sure you have been asleep for at least three hours before you take your temperature — five hours is best.
  • Take your temperature in a consistent manner. You can take your temperature orally, rectally or vaginally, but you should take it the same way each time
  • Record your temperature on your chart each day
  • It may take a few months to identify any patterns related to BBT. You are looking for is 0.4 degree Fahrenheit increase over a 48-hour period, which indicates that you have ovulated.
  • If ovulation has occurred, your temperature will remain higher. If your temperature remains high for more than three days, you can assume you have ovulated.

Start tracking your fertility information now!