Can you get symptoms at 4dpo?

So I’m 4dpo had intercourse on my ovulation day (14th) Which was confirmed with an opk on the 13th (peak) and then 14th faint lines. However I’ve got some crazy symptoms that I know I’m not imagining. Is it just ovulation symptoms? It can’t be PMS period ain’t due for 10 days , is it a possibility of pregnancy symptoms?

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