Implantation bleeding?

Ovulated somewhere between Oct 23-25. Period was due sometime between yesterday and tomorrow (my cycle fluctuates between 25-28 days). I have take multiple tests and they were all positive. First positive was on Tuesday Nov 3. I took another this morning and it was also positive. I just go to the bathroom and when I wipe there is this faint very light pink discharge. Could this be implantation bleeding or should I be prepping myself for a miscarriage? Weve been trying a long time for baby #2 so I hope all is okay 😕

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