HELP!! I had unprotected sex

So today I went to visit my boyfriend and of course we had sex. I noticed we weren't going to use a condom but I let it slide because I just wanted it really bad 😩 (first time having unprotected sex btw) everything felt great until he finished, he pulled out.. but I'm still not sure if any semen was left inside and then I started to get a burning sensation ☹️ it wasn't horrible but it just didn't feel good or right and I started to freak out and I think that I made him feel bad. I checked to see if it was maybe that I didn't have enough lubrication but I was wetter than I have ever been and how long will I have to wait before I can take a pregnancy test? or should I even consider getting emergency contraception? He didn't cum inside me so is it necessary?