I never intended to have sex, but I did, and I ended up pregnant. I caught it -very-early on--the doctor told me I was "just barely pregnant"--a few days earlier and there would have been nothing on the ultrasound. I ended it chemically on june 1, which was uncomfortable but not emotionally draining or too painful. However, that was enough for me and I decided never to have sex again until I am married, and on birth control.

Here's my problem. A male friend that I had not seen in a while got drunk and decided it would be a good idea to convince me to sleep with him by pulling his pants down, pulling my skirt up, and trying to dry-hump me. I was wearing underwear, of course, and he didn't get a chance to take his off before I convinced him to stop it. I don't think his underwear was wet at all, and I he did not ejaculate. 6-12 hours later, I had my period. It ended on july 6, and I have not yet gotten it for this month. I am sometimes very irregular, and frequently run on a 30 day cycle. However, this time I am feeling extremely paranoid and afraid, and the thought suddenly hit me that I might be pregnant. I have had no symptoms of pregnancy, as I did last time, but none of my usual pms symptoms either.
I need to try and get a test, but I have no driver's license, and I have a very nosy mother and friends, so that's a bit difficult at the moment. I have been researching and researching, and I just need some reassurance. What are the chances of me being pregnant? Could my body still just need to adjust from the previous pregnancy?