Possibly pregnant

So my family and my fiancés family swears I'm pregnant they say they have the feelings and that I have that glow. I'm now a week late on my period. Having mood swings, cravings for things I usually won't eat, my favorite foods are making me nauseous, headaches and cramping feelings. What do y'all think? Could this be pregnancy or just period problems? I stopped my birth control a little over a month ago after being on it 10 years I immediately had a normal period for 5 days. The next period was suppose to started a week ago & hasn't. My fiancés mother is determined that I am pregnant.