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How Your Body Temperature Varies During Ovulation

How Your Body Temperature Varies During Ovulation

When are your most fertile days? It is possible to use the temperature of your body to pinpoint when you are ovulating. As you are ovulating, there is an increase in the average body temperature and this is when ovulation occurs. It is also when you are the most fertile. It is useful to track your ovulation if you are trying to conceive and want to know when your most fertile days occur, which will increase the chances of you getting pregnant

You have to record your body temperature at regular intervals to get the most accurate reading. A chart will help you track your average daily temperature so that you will get the most accurate readings.

When you first get up in the morning is the best time to record your temperature and it should be done at the same time daily using a basal thermometer. Take the temperature when you first get up, before doing any other activity because extra movement will result in an increase in body temperature.

The change in temperature that shows ovulation:

There is basal body temperature (the lowest temperature in a 24-hour time-frame) prior to ovulation and it ranges from 97.0O – 97.5O F or 36.1O – 36.3O C. This is called the Follicular Phase. Some women will actually have a drop in temperature.

Once the temperature of the body increases due to ovulation hormonal fluctuations, the range could be from 97.6 O – 98.9 O F or 36.4 O – 36.6 O C and this is called the Luteal Phase.

The day following ovulation, the body temperature usually increases an additional 0.2O F or 0.11O C and the temperature stays at this elevated level for 10-16 days and will return to normal if a pregnancy doesn’t happen or remains at a high level for 18 days or more. In cases like this, you should have a pregnancy test done.

For fertility charting, there are additional methods such as the cervical mucus method along with the calendar method. However, these methods aren’t as accurate as the temperature approach we mentioned earlier since they don’t consider changes to your body or irregular periods.

Use a basal thermometer to start charting your ovulation and be sure that it comes with an ovulation chart. Just photocopy this chart as needed.

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Photo by Sarah Pflug from Burst