Trying to Get Pregnant

Temp later in day vs BBT

I know only your BBT is accurate for charting, and all sorts of things affect your temp for later in the day (eating, moving, drinking, etc). But shouldn't it be that your 'daytime' temp is always higher than your BBT, since your BBT is taken after sleep?

Yet, my 'daytime' temp is almost always LOWER than my BBT. Like, I just took my temp and it was  97.43, but my BBT was 97.89 this morning.

Just curious.

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Re: Temp later in day vs BBT

  • I wonder if it has anything to do w/ you being under the covers and all snuggled up? Not sure! But, it really needs to be read after sleeping and before you climb out of bed!
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  • If you have just had anything to drink it could effect the temp, also after you are moving around etc your temp shold be closer to 98.6 or normal body temp.
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  • imageajroemisch:
    I wonder if it has anything to do w/ you being under the covers and all snuggled up? Not sure! But, it really needs to be read after sleeping and before you climb out of bed!

    True about the covers, maybe that's it. I def temp before getting out of bed though :)

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  • imageMilliways:
    If you have just had anything to drink it could effect the temp, also after you are moving around etc your temp should be closer to 98.6 or normal body temp.

    Hmm. I guess I don't know what my "normal" body temp is. I did just drink something before temping an hour ago (for fun). But my BBT has only hit or gone above 98.6 maybe 3 times in 9 cycles of temping.

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  • imageMilliways:
    ...after you are moving around etc your temp shold be closer to 98.6 or normal body temp.

    Not necessarily true.  Some people have lower than the average 98.6 and are perfectly healthy.  I am in that category.  Pre-O, my waking temperatures are about a full degree lower than "normal" (97.5-7F).   

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