hi,i am 23 yr old girl unmarried,but from a month i am suffering from a mensurable problem,,actualy my periods are irregular like my last period was on 7th nov 2010,and i have 1,2 times be with my boyfriend like he just touched his penis with my vagina,not injected nothing else but only was touching and fingering, now as uasall on 3rd month wen my period starts it was not like before,bcoz there were 7 day bleeding than after a week again bleeding starts for two weeks than it stops for a week now again for two days bleeding started and now it stops...i m so confused that what is the reason behind it??am i pregnant??what should i do?please help soon..