Usually I come on my period on the first of every month, this month I come on, on the 29th of December 2011 it lasted one day was quite heavy but a day later it finished & now I'm spotting brown discharge & slight bleeding not very noticeable, I've been having unprotected sex with my boyfriend. I can barely sleep, if I do then its 5 am till 3 pm... I had an abortion at 17 & how I noticed I was pregnant then was due to constantly needing a wee & brown discharge but this time I just have brown discharge. Could this be pregnancy?