Confused need help

Ok so the other day I masterbated i know tmi but when I wiped my mucus was clear but had white inside or with it

Now could it be pregnancy or could it be that I start my period in 8 days the thing is I started cramping so much on the 31 like not actual period cramps but the cramps you get before starting your period now there gone and I feel fine anyone know??? What it could be