Short period 2-3 days pregnant?

First off my period is always 7-8 days, and heavy. I got my period for 2 and a half days heavy. Then just stopped and I was spotting brown and pink for 2 days. It also just started bleeding again but it's not heavy or red it's just brown blood and pink? It's off and on. Weird? This is not normal for me. Am I pregnant?