Can someone help out please....

So for 3-4 days straight I've been having creamy white discharge i wipe first when I pee to check and it's like a glob I dont check stretchiness but today I have clear with a hint of white I checked to see CD 13-14 I got low results on my opk and on CD 15 16 and 17 I got flashing smiley not sure what's going on but I'm worried :(