I would see your doctor.
It is so easy to blame fibromyalgia for all our ills because it has such a vast spectrum of symptoms..
Example: my daughter was diagnosed with fibroyalgia, turned out she had a mold issue in her house.
Better to follow up.

No.

I really don’t know. Mine’s always been and still is in the normal range.

Nor me!! If anything I think more rapid !