I Had A Vacuum Aspiration Abortion About A Week Ago..

I had a vacuum aspiration abortion about a week ago.. I felt pretty good for the first 4 days and all of a sudden that Friday I started feeling a bit naseuas and I've been feeling like this for about 3 days now.. Ive had only light bleeding since I had the abortion, my breast aren't as sore as they were before the abortion.. I was only 7 weeks and 3 days when I had the procedure.. Coukd I still be pregnant?