Hello there and thanks for taking the time to answer my question. I had a negative STD panel in June of 2014. Since then, I've had about 7 encounters. Included in there were 3 instances of unprotected oral, 3 more protected oral, and some just general finger vaginal touching and kissing. In August of 2015 I saw a CSW who I had protected intercourse with. I'm mostly sure the condom remained in tact, although it did slide down about an inch or so as I pulled out. Her skin was even covered around the condom from wearing the type of stocking she had on. 

The encounters you describe are quite low risk.  Most people, even CSWs do not have STIs and when they do, the risk for acquiring infection from any single exposure is always less than 1 in 3 and for some STIs (like herpes) substantially lower.  Further, different sorts of sexual exposures have different risks of infection.  Receipt of oral sex is a very low risk event since throat infections are rare and transmission from the throat to the genitals is likewise biologically "inefficient".   Receipt of condom protected oral sex is a virtually zero risk exposure which should not worry you.    Similarly, neither vaginal touching (masturbation) or kissing carry any meaningful risk for STI.

You have effectively ruled out the most common STIs with your testing by the doctors you saw about a month ago.   I would believe them and your test results.

Finally your exposure on January 18 was the highest risk exposure you have mentioned, in large part because you had unprotected vaginal sex with a new partner.  Even this however was a relatively low risk event because it was statically unlikely that your partner was infected and most exposures do not lead to infection.  That she indicated she had been tested and reported negative test results makes infection still less likely.  The absence of symptoms since that time is likewise in your favor.  Personally, I would not worry further but, if you wish to be tested, at this time, given your lack of symptoms, Your test results for most STIs would be conclusive.  We typically do not recommend testing for herpes following exposures such as the ones you report- testing in this situation is more likely to lead to a falsely positive result than to detect a recent infection.

I hope these comments are helpful to you.  EWH

---

Thanks so much, Dr. Hook.  Since I got to actually see written proof of recent negative test results from my partner on Jan 18th (with the exception of HIV and HSV) I'm feeling fairly confident combined with your reassurance. I've also been closely examined by two different doctors since that encounter because of my vasectomy issues in the time period sores could have developed so I'm sure they would have seen something even I hadn't.