Line eyes or evap?

Shannon

My cycle is super irregular, anywhere from 36-80 days. I had unprotected sex 2 days before my "fertile period" was predicted to start. I'm at cycle day 41, 5 days past predicted start of period. I had VERY light (like regular vaginal discharge with a slight tint light) pink/brown discharge about 4 days ago, and had implantation bleeding with my last 2 pregnancies, but it was more like pink water both times, so I'm so confused lol