Is Pregnancy Possible Through Unprotected Sex?

Good evening. To get right to the point, I am freaking out about the possibility of becoming pregnant after sleeping with a guy last night I ve been seeing. We had sex twice. The first time he used a condom, however I m not sure if he did because I didn t check. The second time, he did not use one, (which was honestly a mistake). I told him to not cum inside me, and he said he wouldn t. However I am equally unsure whether he did or not. Later I asked him again, and he promised he was very careful. I am on birth control, however some days I forget to take it at 2 pm, so I end up taking it a few hours later. I also think there was one time this month I forgot completely one day, and took two pills the following day. I am due to get my period either tomorrow or Tuesday, and to say the least I will rejoice if I get it. My question is, what is the likelihood of getting pregnant with these factors? Thank you.