I had protected sex with a sex worker. The next morning I noticed a small cut where my scrotum and penis meet that I gave to myself shaving(I know I am a idiot). This was not covered by the condom. I don't know if this part was even inside I think she was pretty wet I did not know so I was wondering what I should do I am worried sick. What are the chances of contracting HIV it has been a week and a half