AM I PREGNANT

Destiney

So I felt some discharge and I thought I had started my period so I went to check and it was kind of a brown discharge I looked it up and it said it could be early signs of pregnancy I’m cramping but only in my lower back.Im 18 I don’t need a baby right now.Im. Supposed to start this week but I don’t see my boyfriend till next weekend would it be to late to take a plan b?