Hello! Am 17 yes old I had sex with my boyfriend on Oct around 15 my period has on 4 of the same month and after that I had my period again on 27 of the same month now again in nov 17 I had my period on 2nd day of my period that is on 18 I had sex again now from 30th I could notice bleeding but not as regular as period bleeding I mean they are short and not continuous... so I wanted to know whether am I pregnant!