I'm really scared...my boyfriend accidentally put his penis in my vagina...about an inch in....only for about ten seconds. He didn't ejaculate, but had pre-ejaculate on it. I'm very worried because he ejaculated about 4 minutes before that into a wipe. He wiped it off, and that's when he accidentally put his penis into my vagina. I was in ovulation....i took plan b onestep within the hour. It is now five days later, and i am lightly bleeding? however im not expecting my period for another 2 weeks