While the hormones in these methods stop you from getting pregnant, they will not stop you from getting a sexually transmitted infection (STI). Male and female condoms will help protect you from getting and giving some kinds of STIs. When used correctly, male condoms are nearly 99.99% effective at preventing transmission of an STI such as Chlamydia, Gonorrhea, Syphilis, and HIV from one person to another.
Many people know how to use condoms in some ways, but not always in the best ways so they don’t break of slip off the penis. Remember these facts: