The vagina is only 5 inches deep or so. It is possible that he could be tearing the vaginal wall, but highly more likely that he is tearing into something thats already been torn.
with anything, the more rubbing and grinding, vibrating gyrating (lol) you do, there is chance to cut, or inflame the skin. A simple lotion, or, healing cream would help, but some may burn your vagina. That is why it would be best to get a script from the doc. I , myself, had injured my Penis through my pants, while playing baseball. A simple cream from a random Dr , and actually, it healed my penis to better than previous shape. heh,
Like i said though, some creams may burn ur vajo.
Like i said, You dont have to see a gyno,
Infact, you don't even have to see a Dr.
If you go to your neighborhood pharmacy and ask (the pharmacist) they will be more than able to help you! (Some Pharmacist , and prudes will shy away of course.)
yuo all ill informed, your hymen has probably already broken you dont have to bleed at all when it brakes it just brakes.Vaginal bleeding can be caused by several things maybe he accidentally scratched your insides. it may have been your hymen