Lost my virginity

So the Title is pretty clear, but some things have been happening that I'm not really sure how to approach and I'm a little worried 😅. It's kind of sad since I'm 18 and know almost nothing about the female anatomy. 
It was about a week ago, and by mistake we didn't use protection. My boyfriend agreed to wait to try again until I either get on birth control or he gets some condoms. When he penetrated me, it hurt quite a lot at first and eventually went away. But there was quite a lot of blood too, and I'm not really sure if that is normal or not. 
Some of my friends said it was and others said I wasn't supposed to bleed. 
I'm not bleeding anymore, but for a few days now I've been getting some dull throbbing pain from down there and sometimes it's pretty sharp pain just below my hip flexors. 
Thinking about it today I though maybe he could've penetrated my urethra instead? Since it was my first time I wasn't sure what the norm on pain was. I mean I didn't cry, but it hurt pretty bad. 
I decided to ask on here first before making an appointment to talk to my gynecologist. I really need help you guys...