What's wrong with my hooha?

So me and my partner have been together for 9 years and he always pulls out. Except the one time he didn't and we had a kid lmao. But last week we got intimate and he didn't pull out. Which is okay because I'm on birth control now for my PCOS. ( we got lucky the only time he didn't pull out I know ) anyway about ten minutes afterwards I felt a burning sensation and I ran to the bathroom to pee. And wipe with water wipes. It felt like my vagina was having a bad reaction to his semen. So I jumped in the shower and went commando the rest of the day. Then the next day we tried again. This time sex was extremely hurtful. Like he said it was like I was a virgin. When he looked at me he stopped and asked if I was okay. I didn't mention it I was just taking it. But it really hurt me to have intercourse. So he stopped and asked me to please check myself. My hooha looks normal out the outside. But the inside feels swollen! Am I okay? 😣😣😣