Am I pregnant

Hey this is sounds really crazy but i just got period on 2nd july n today my period seems stop(usually it's pretty heavy till 5days) and the funniest thing is I already had nausea and vomiting for almost one week already,i also got headache like all the time.am i pregnant?like tiniest chance of pregnant?could it be implantation bleeding n not my AF?but it doesn't seem like spotting at all.im so confused.tq😊