- Take your temperature just as you wake up in the morning, before doing anything else. You can not get up, sit up, walk around, go to the bathroom, eat anything, drink anything, or engage in any kind of activity (even shaking down a mercury thermometer can skew your temperature). Keep your themometer at your beside along with a notepad to record the temperature and the time it was taken. If you use a mercury thermometer, shake it down the night before.
- Take your temperature at the same time every day. (Yes, even weekends and holidays) Set an alarm - you can always go back to sleep! This is very important as your resting temperature increases by approximately 0.1Â° every half an hour and so could skew your chart.
- Take your temperature after at least three to four consecutive hours of sleep. (To get a more reliable result at least 5 hours is preferable)
- Take your temperature using a special BBT thermometer. You can take your temperature orally, vaginally or rectally. Just be consistent throughout the cycle.
11 years ago
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