Gonorrhea, Chlamydia and HIV are not commonly passed when giving oral sex to a woman, even with a cut. But open areas can increase the risk of HIV. Herpes, HPV (warts) and syphilis are easily passed when giving or receiving oral sex because they are passed by skin to skin contact.
You might want to check out our charts called Know Your Chances. They give lots of information about different ways of having sex and STIs.
It is a good idea to routine screening if you are having sex with new partners or more than one partner. Our “STIs at a Glance” Chart has info about when it to get tested.
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