AM I PREGNANT!!!!?????

Patient: Hi, i am feeling weird symptoms ive searched up my symptoms and its coming up with pregnancy, but i want to double check, i have been having unprotected sex, my symptoms are, i feel burning in my stomach and sick, i feel like theirs vomit sitting on my chest but haven’t actually vomited, im feeling light headed and dizzy every now and then, i am really gassy like burping and farting alot and always tired what is this from?

Symptoms: Burning in stomach and sickness, feel like vomiting, light headed, dizzy, gassy (burping/farting) alot.