so i was assaulted about a year ago and it resulted in vaginal tearing, seemingly the hymen? the opening of my vagina is generally "floppy" and the part that's torn is two pieces. This cut/tear on the opening has been healed, but my boyfriend (who has a penis on the larger side) and i were just having unprotected sex for the first time (i got the implant!) and it started hurting a bit after he came for the first time. it had been maybe 10 minutes since we started. Does anyone know what this might be and if i should just go get checked out again? i've had 2 gynos tell me i should be fine but it hasn't hurt in a year (i've had maybe 3 partners since being assaulted). It could have just been the longevity of the sex because we've never had sex for that long. 

Sorry this is so long, anything helps!