I had unprotected sex for a few minutes with a 24 year old woman. She also performed oral sex on me for a couple minutes and I performed oral sex on her for a couple of minutes. She got tested for STIs and she recently contacted me saying that she tested positive for chlamydia, and I am absolutely positive I didn't pass chlamydia onto her. What are the chances of me getting chlaymdia from her if we only had intercourse and oral sex once for a short amount of time? I already got tested, but I'm obviously having some anxiety about it and want to know what my chances are.