I had sex with a girl but i don't know her but i know that she is a sex worker and i really regret it now. The condom was on all the time but i touched her back and a breast i had some old cut on my finger and some half broken nails i did not touch her virgina or any place like that. please help me i am worried that i could get HIV by touching or removing the condom all cut and broken nails were not fresh there was no blood. please help me do i need to do a HIV test