Step 6Basal Body Temperature
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You can keep track of your body temperature each morning as you wake up. A basal thermometer can be purchased at any drug store. These temperatures can be taken orally or vaginally, but it is important to be consistent in method and time. After ovulation, there will be a rise in body temperature of one-half to one degree Fahrenheit (one-quarter to one-half degree Celsius). Charting Basal Body Temperature is only useful historically, as the temperature raise does not occur until after ovulation. This will give you a rough idea of when you usually ovulate. Sites like fertilityfriend.com are useful in tracking historic fertility