Bbt charting. Which one??

Question

I woke up freezing because my heavy comforter was off of me and it was 20 mins before I usually check my temp. I checked it and it was way lower (I’m 3 DPO) so I put my blanket back on and went back to sleep and when my alarm went off I took my temp at my normal time and it was normal-the same as it was yesterday. No drastic dip. Should I go by the first when it was earlier than my usual time and I was freezing or the second when I was covered like normal and at the regular time?

Answer

Always go by your first temp. It should only be deviated if you slept more or less than 2 hours than normal, or if you’re sick or hungover.
You have to sleep for at least 4 hours before temping again, so the first temp is going to be more accurate of your basal body temperature than your second.
I’ve also had questions about temping when cold or not under the blankets, but most of the time it’s not enough of a change in measurement to mess up your data. When in doubt, deviate the temp entirely.

Bbt charting. Which one??

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