3 weeks pregnant

Hello! I took 3 different pregnancy tests yesterday... all 3 positives ❤️ my 1st day of my last period was June 28.... so according to this I’m 3 weeks pregnant... question.. I should start my period next week.... am I pregnant or nah!!! Lol I haven’t had a missed period and my bf is super excited .. don’t want our hopes up for nothing. Thank you