someone please help🤦🏽‍♀️

Okay to start off I don't need any ignorant people commenting to shame me I'm already upset with myself. I am a careful girl but I have fallen in love and was just in the moment. I am on birth control that stops my period because of a medical issue I have but I am having trouble getting the medicine because my insurance doesn't cover and I can not afford to pay over $100 for it as much as I do need this. But, I have been off of it for a month. In the moment my boyfriend and I had sex and it sorta just happened with no hesitation or anything and I let myself do it. He didn't wear a condom but he also didn't cum inside me either I'm just extremely nervous that I can get pregnant and mad at myself and I don't know what to do. Any advice