2-3 DPO 99.1 is that a fever or it just stays height after O?

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Ok ladies I'm somewhere between 2-3 DPO so very early on 2 days ago my temp went up so I know I had O well that night and thired night in a row I get hot flashes but only towards the night well this evening I got hot flashes with feeling nauseous bloated checked my fever and it was 99.1 is this normal my regular BBT through out the day is 97.7-97.9 never higher?!
Who can relate?