i was on the ortho evera birth controll patch and took the last one off on may 4th 2006 and started my period on may 8th 2006 but have not had a period since then... recently my breast have been hurting... mainly in the nipples... i have been very tired... actually very very tired... i also have been peeing alot more recently... i have done 3 test in the last 2 or 3 weeks and they have all been negative... what are the chances of me being pregnant? or what else do those symptoms fit?