i am literally going crazy with feeling nauseous i dont know if im pregnant. ....at some moments its…

i am literally going crazy with feeling nauseous i dont know if im pregnant. ....at some moments its worse than others and i keep having bowel movements and peeing ...the nausea makes me feel i have to throw up and i feel sleepy the last time i had sex was 7/30/16.....ugh describe your pregnancy symptoms how did u feel from them