I've got my period august the 4th which last 6 days . Then I got it september the 4th which last 6 days . Im expecting it on the 4th of october this month . One week a back my nipples was sensitive .. when you touch it was hurting a bit.. yesterday I start to bleed light brownish not fulling a pad. I bleed today but light not fulling a pad n light .. I'm I pregnant