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What is the probability of acquiring HIV through sex with an infected woman?

Aug 16, 2007

Before I ask this question I just want to add that I plan on being tested for HIV in the next month but must exit the country I am living in to do so. I live in Saudi Arabia and fear being deported if I was found to be HIV positive. Here is what happened...last February I was vacationing in Phuket, Thailand and had unprotected sex with a street girl who afterwards informed me she was HIV positive. I had too much to drink but blame myself more for being just plain stupid. Within 12 hours I got to a local hospital and was started on retroviral post exposure (PEP)medication. I took this faithfully for one month. I took an HIV test at the hospital but came back negative but I also realize it was only several hours after the possible exposure. I also remember getting a fever the following day but it only lasted the day. I had no rash, no other flu-like symptoms and have felt fine since.I am caucasian and circumcised.I want to know what the probability of a heterosexual male is in acquiring HIV through unprotected sex with an infected woman? Any comments would be helpful including any chastizing for being such an irresponsible idiot!

Response from Dr. Frascino


The estimated per-act risk for acquiring HIV from insertive penile-vaginal sex with a partner confirmed to be HIV positive is 5 per 10,000 exposures. Your estimated risk would be less, because after your "Phuket" you PEPed.

No need for me to chastise you; you're doing a fine job of that yourself.

Good luck.

Dr. Bob

Thank's from the no loger freaked out rape victim/new mom
3-month mark HIV test??

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