Question about opk

So I am on cd 20 period due may 19 according to glow have been having word symptoms, I usually ovulate cd 11,12. Read so.ewhere you can get positive opk if you are pregnant well decided to take one(opk I mean) and it came up super posotive. The test line was actually darker than Control line. Could this be a sign of pregnancy??? Any help or advice is greatly appreciated. Xoxo