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How to Chart Your Basal Body Temperature and Detect Ovulation

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Updated April 09, 2014

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How to Use Your Basal Body Temperature Chart to Help You Get Pregnant

Getting pregnant is the entire reason that you've started using a basal body temperature chart. So, how can you use this information to help you get pregnant?

Look for Patterns

Do you tend to ovulate on certain days of your cycle? Use this information to time intercourse better.

For example, if over a three-month period you note that ovulation occurred on days 11, 12 and 15, then on your next cycle, you probably want to time sex between days 6 through 16, with special attention toward days 11 through 15.

Remember, also, that you don't need to have sex on the day of ovulation to get pregnant. If you have sex just a few times during those days before ovulation, that should be enough to get the sperm to the egg in time. Some couples try to have sex every other day the week before they expect ovulation. This is also a good plan.

Share Your Charts With Your Doctor

One huge benefit to basal body temperature charting is it can help spot potential problems.

For example, if you notice that you don't get a shift in temperature, you may not be ovulating. Also, if the time between ovulation and the first day of your menstrual cycle is ten days or less, your luteal phase may be too short to get pregnant.

If you notice problems like this, you do not need to wait months before seeing your doctor. You can bring your charts to your doctor and voice your concerns right away.

Sources:

Fertility Awareness: Natural Family Planning. American Pregnancy Association. Accessed May, 15 2008. http://www.americanpregnancy.org/preventingpregnancy/fertilityawarenessNFP.html

Patient Fact Sheet: Ovulation Detection. American Society of Reproductive Medicine. Accessed May, 15 2008. http://asrm.org/uploadedFiles/ASRM_Content/Resources/Patient_Resources/Fact_Sheets_and_Info_Booklets/ovulation_detection.pdf

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