I need advice (ASAP)!!

So recently I met this guy, he added me on Facebook and we’ve been talking for about a month and I really liked him, he made it seem like he wanted a relationship and wanted to build a future with me but last weekend I went to see him and I spent the entire weekend with him, everything was great we cuddled watched movies and we even had gotten intimate, well after that whole weekend he hasn’t really been texting me or calling me as much as he did before, the last message I got from him was yesterday morning, and he’s been active on social media so it’s not like he doesn’t see my texts, but besides all that I have a deeper issue I’m worried about, (I think I might be pregnant) I do not know for sure but from 10/11/19-10/13/19 we have been having sexual relations and he only pulled out the first time, it’s only been a few days since we had sex so I can’t be too sure but according to “glow” it says I am ovulating, I’m not sure how true that is but if I am definitely ovulating there can be a chance I am pregnant or going to be, I need advice because I don’t know what to do, I haven’t heard from him and If I miss my upcoming period I don’t know what I’ll do. Any feedback ?