8 dpo very faint lighg pink line??

Question

dpo very faint lighg pink line??" /> 
Hi all!! I’m 8 dpo today and have been cramping since 6 dpo, as well as some lower back pain. 
This morning I tested and got this light pink line!! Could it be??? 
The indents I’ve always gotten never stay and they go away after 2-3 mins, but this line stayed and is light pink. Hard to capture, but it’s there I think???
Thoughts??