Pregnant or not? i know have to take a test but are these any symtoms?

i was due my period on the 12th and ive still not had it,my periods never been this late before.. about a month ago i had unprotected alot. Ive been getting sore heads,alot of farting(sorry) pooing alot more(tmi i know sorry),acheing ,also when i pleasure myself i get sore pains in my stomach after i /*** and feeling tired i normally get really sore stomachs when my periods coming but not had them yet so guessing its nowhere on its way yet? can i be pregnant? i know i have to do a test im just wanting to know