had sex on 18th september which was day nine of my cycle to be safe i took plan b on 19th september on 29 september had sex on 30th noticed some light bleeding which has lasted 2 date my cycle is 25 or 26 days my last period was on 10sept was expecting my period on 6th october. is this light bleeding am experiencing my period how long will it last it has been 5days already plus my nipples have been super tender since i took plan b
thanks