Sounds like warts man, stop popping them and get the dry ice out, see the doctor so he can get sample and get it checked. I've had the same thing happen... very small white bumps that were spread out over pelvic region. (I shagged a few girls in my day and one of them must of had an invisible infection)
I looked up pics on warts over the net and found nothing as simple as the ones I got.. they were all "worst case warts that are all bunched together or the ones that get huge if u leave them for ages. Its a confidence killer.
I had one, thinking it was ingrown hair I popped it a few times and it spread to 2, then 3, then 8. I started flipping out then. See ur Doc...get a sample sent away. Good luck, and keep chin up as its something alot of people have to deal with.