When used correctly and consistently, condoms remain one of the most effective tools for the prevention of pregnancy and sexually transmitted infections (STIs). This includes external (male) condoms ...

Medically reviewed by Peter Weiss, MDMedically reviewed by Peter Weiss, MD Sexually transmitted diseases (STDs) or sexually transmitted infections (STIs) are infections that are spread through sexual ...

This story was reviewed by Kelly Brown MD, MBA. Wearing a condom is a great way to prevent pregnancy and the only option for protecting against STIs and STDs (besides abstinence). But they’re not ...