No temp rise yet-why?

Alex • ✨ Due March 2021 after 4 IVFs, 2 transfers, and 1 anembryonic pregnancy ✨

I have no history of irregularity. Is it weird to not see a rise 2 days after a positive OPK? Is it normal (possible I ovulated), and I’ll see one tomorrow? This is my first month using the OPK, but last month I had a 25-day cycle. Thanks for your advice!