If you still worry, you can get viral RNA test.
Don't worry,
Don't repeat exposure.
The chance to be infected is 1:1000 for a man and 1:500 for a woman.
It's not easy for HIV to be transmitted.
jeez dude ,im hcv pos but i can empytize with you the only thing you can do is get TESTED its a stress but even more so if you dont and risk of infecting someone else,i know this might be hard to do but DONT worry untill you get tested and then the chances are reduced because the female was or may be not the carrier,the chance of infection is reduced female to male, but your young and slightly critical of the sex trade,the amount of sex workers with hiv is suprisingly low,they realize there in a high risk job and take precaution accordingly,let me know how your getting on i,ll help you as much as i can mate