[Question #2261] Risk Assesment

46 months ago
Good day doctors, 

I am a 34 yr old female who has recently started a sexual relationship with a heterosexual man of 30. We have discussed STDs and he has confirmed getting tested and negative for all two weeks prior to us getting together. I myself have had all checks last week with negative results. My concern is that we had unprotected vaginal, oral, and anal sex with ejaculation yesterday. I'm not even sure why I'm concerned about HIV, I suppose it's my OCD kicking in.  It's also perhaps that I know that anal sex is somewhat more risky. If somehow the tests had missed something, what are the odds of HIV transmission? Thank you ahead of time for your help, 
Edward W. Hook M.D.
Edward W. Hook M.D.
46 months ago
Welcome to the Forum.  I'll be glad to comment.  Before I do, let me congratulate you and your partner on your mature and appropriate approach to your sexual health.  The decision for you each to be tested before initiating sex was a mature and appropriate thing to do which testifies to each of your willingness and ability to communicate about what are typically considered "sensitive" issues.  I wish more people would do this.

Having said that, I would urge you to believe your tests and to not let doubts about test accuracy negatively impact your sex life.  Today's diagnostic tests, including those for HIV are amongst the most reliable tests we have ever had for these problems and their results should be believed.  You are correct that when different sex acts are compared, receptive rectal intercourse is a higher risk activity than vaginal sex but even then, if your partner were infected (and with his recent negative test, you should be confident that your partner was not infected) transmission occurs only about  once in every 70-100 sex acts (about 1% of the time).  Such figures are irrelevant when your already relatively low risk partner ( by virtue of being a 30 YO heterosexual man) with a negative test.  Believe his tests and yours and I would not worry further as long as you both are monogamous with each other.

I hope this comment is helpful.  Take care.  EWH
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46 months ago
Thank you for your prompt response Dr! I agree that the test must be believed. I think my issue is overthinking the possibilites and terrible outcomes. I will work on this : ) We were both tested separately and chose to trust one another's word on the results, so I should get over any lingering fears. I appreciate the work that you do here, as there are too many conflicting informations online. Getting the straight facts from professionals like you definitely puts things into context! Good day and take care!
Edward W. Hook M.D.
Edward W. Hook M.D.
46 months ago
Thanks so much for your thanks.  It is our pleasure to try to help.  EWH
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