Can you get evaps on opks?

[ChloeSmith]

Just wondering as had a couple of anomalies...

 

[jojo3972]

U can get very faint lines on opks I get them all cycle I also get possitive opks at the end if my cycle cos my body is bonkers lol xx

 

[ChloeSmith]

Thanks - mine got really dark then light, then nothing, now dark again!