Help ladies please comment if this has happened to you

Sooo I got a positive digital opk on the 21st 4 or 5 days later I got tan spotting with like really bright strings of red in it and after that it went away like 5 hours later and I swear I thought it was implantation because I’ve never had that before never ... so now I’m like could it have just been ovulation bleeding but I got the positive opk 4 days prior this every happen to anyone ??? I’m 14-15 dpo and got a negative test this morning I’m so confused 😪

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