I had unprotected sex 4 days prior to the commencement of my period. I have not had any problems with my cycle except for the first 3 months where I was freaking out with the possibility of an unplanned pregnancy. They got delayed by 3-5 days during that time. I have never experienced morning sickness, but have been experiencing lightheadedness, slight nausea and momentary black-out when I get up from my chair or travel in the sun since a week (not to an alarming rate, but it surely has got me worked up). I bled a lot on the 1st 3 days of my period with troublesome cramps in the last 2 months. This month (which would be month 5 if I WERE pregnant), my periods arrived exactly on date, w/ the unbearable cramps I hv always experienced since my mencys started. Does this suggest that I may be pregnant? If so, what test should I get done, and how could I abort?