Could i be pregnant?

I have always had an irregular period, so i was put on birth control to help regulate my periods, i have been taking it for about 9 months its help regulate everything, the past 2wks i havent been taking it and me and my husband have been having unprotected sex, and this past week i have been really tired, swallen feet and my face has been getting flushed and hot and my breasts have been tender and i just had a really light 3 day period and im just wondering if i could be pregnant?