How are STDs prevented?
The most certain ways to avoid contacting an STD are abstaining from sexual relations (including vaginal, oral or anal sex) or having sex with only one partner-someone who only has sex with you. Also, keep in mind that some STDs, such as HIV/AIDS can be spread through the sharing of intravenous drug needles.
In general, your risk of acquiring an STD increases with the number of people with whom you have sex . However, even if you are having sex with only one person, your risk increases if he or she has sex with other people, something which you may or may not know.…
