How many days before af does your bbt drop?

Question

This morning my temp dropped below cover line at 11 dpo. I have been feeling like af was going to come for a few days, but no spotting or anything. I have even worn a pad every day since Saturday. Af is due on 10/19. Just wondering what everyone experiences as this is odd for me. I typically spot for a couple days, but don't cramp until full blown af. This is my first month charting, so I'm still learning.

Answer

Mine drops 2-3 days before but then goes up again during my period.  The month I got pregnant I had a big dip on 10 and 11 dpo though. I thought I was out for sure but then it started rising even higher than before.

How many days before af does your bbt drop?

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