im 22year....last month i had my period on 6th ie 6th of april....actually i must be on 16th of every month......there was a reason....i had a severe bad stroke on my abdomen so thats why imy period was too early.... but its already 21st this month and im not yet on period...as it was supposed to be on 16th,,,, i had sex on 5th may....just from 3 hours back im seeing a spoting,,,,am i pregnant....????????// plz help me out.....