I'm worried that there can be a chance of pregnancy from this?

I was dry humping with my boyfriend I am still a virgin I was in underwear and he was only wearing a condom. Can I get pregnant from such thing this happened like 3 days ago now..and this morning I felt sick like I needed to throw up and I've been feeling weird in my stomach like as if I'm full or something. I've been worried a lot about this, can someone give me some advice on this please. ??!