My last period wast January 17, 2011. It only lasted two days. And before I started that period the period before that ended and a week latter i was cramping like menstrual cramps but no period. Then thats when i started on the 15 of january and it ended on the 17th of january. Its March 2, 2011 and i didnt have a period in febuary last month. I took a home pregnancy test and it came out negative...Could i be pregnant??? :O