December 13th, 2010, 08:59 AM
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just me
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Join Date: Jul 2006
Location: Littleton, CO
Posts: 39,667
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I use fertility friend too. I don't take my temp at the same time every day though. They say that as long as you get 3 hours of sleep beforehand it should be okay. I just temp right when I wake up, whenever that is (I'm not going to set an alarm because I won't go back to sleep, and then just be exhausted the whole day).
BBTs are more accurate because they go by hundreths. I've had time where my variation for a few days is a matter of a hundreth of a degree. And my bbt wasn't all that expensive at all.
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