Need some help

CoRinNe♍ • I love u Nina Marie always 💚
What does it mean if you get positive opk tests for 15 days straight?? And opks cant pick up pregnancy so im not sure if its happend to anyone rlse for this long its been through the 3rd and the 17th of this month i BD around the 3rd 4th 5th 6th 7th 8th them just kept getting ew cm and im still pretty high med soft so im not sure whats happening..