im 9 days late for my period i usually run a 30-35 day cycle so i went with 35 to b on the safe side. my last period was feb.26th 2013 and it was normal 7 day period for me. its april 11th in about 30 minutes and i was due on april 2nd if im on my 35 day cycle. i took a blood test about 3 days ago and it came back negative i took 4 or 5 urine tests which come back negative. heres the twist my tubes are tied and burnt. while i know the possibility is slim i also know people its happened to. and i havent missed a period since i got my tubal done now im 9 days late. what is going on!!!!!!!!!!