Pregnant maybe?

I had just started taking my birthcontrol again when I had sex with my boyfriend, he ejacualted in me so I think I might be pregnant?
​I've been peeing much more frequently, I've been moody, craving certain foods and sweets, my boobs have been extra sore, and I've been insanely tired these past  2/3 weeks and been having lower stomach cramps. Sound like I could be? Any help would be great. Thank you