Could I be pregnant?

Am I Pregnant?
Ok, I was on the depo from Dec 06 to March 07....I have had irregular period but not as irregular as having a spell for 7 days then 7 days after the fall of that I had a time of year for another 5 day..Then 10 days after that I have light bleeding for 2 days..I have sex with my fiance within between the first 2 periods..I enjoy sore nipples..I get nauseated when I smoke..I almost hurled at the smell of a BK whopper.Mood swings..Cramping..slight headache.every now and later I get nauseated out of nowhere..Recently I hold been really tired but with the sole purpose for 2 day.and up to that time those 2 days I couldn't sleep at all.Just required to know what some people reflect on.My fiance and I have be together for 3 years and I have never get pregnant by him the whole time we be unprotected.. Any woman who has sex "could be pregnant". To answer your grill, yes, you could be pregnant.
Sounds like preg but the body is so funny sometimes, so the best article is to take a COUPLE of pregnancy test.