Implantion?

Okay so from ovulation test it says i ovulated on the 2nd i spotted from the 4th-5th and was cramping and a bunch of other symptons well now the app says im 4 days late i got this a few days ago real thick fertile cm with some blood well i havent had any spotting or anything sense then well my bbt drop also today to 97.9 (only dropped by maybe 3 degrees nothing to dramatic) anyways if it is impantion and all of that when would i take a test? Maybe my ovulation was wrong im really confused

Test i took this mornint

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