Freaking out.

I am 7 weeks and 2 days pregnant and I've been having brown discharge and my obgyn said it's normal just call if I start heavy bleeding or bright red and cramping. I've been feeling good beside the brown discharge, and thus afternoon I went to the bathroom like normal and I noticed some pink/red discharge and I freaked out. I have no cramping or anything just scared to see the pink/red discharge. Did this happen to any of you mom's and what happened and is it normal?