faint line or evap?

Ni

I had the weirdest period last month and have yet to get a positive opk this month, faint lines all month. My darkest opk line was the first day I tested (CD 14), so I thought I'd take a test this morning with no hopes, but this is the result. I did wait a litter longer to check because I hopped in the shower and didn't think I'd see anything, so forgot to check until I was ready to head out the door. Typical cycles are 28-30 days, I'm on CD 20 now. Never had an evap line with one of these tests before. What do you think?

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