Missed period?

So, before all of you shit on me and say that I’m stupid, please don’t?

So, Last week, I missed my period (my cycles are VERY regular) Well since I missed my period, I went and had unprotected sex 2 days after I was supposed to start, just because of the fact that I’ve had people on here say that sexual intercourse is a good way to get your period starting, yet it’s been 5 days since, still no period, AND my boyfriend just so happened to not use a condom & finished inside of me. We’ve been together for 5 1/2 years and we’re planning on starting a family soon after we get married. Yet I was wondering if there was any chance that I could’ve gotten pregnant? I don’t know if I was ovulating or not just because of the fact that I had missed my period? I’ve felt off for the last couple of days.