Learn about the correct method to put on a condom , both male condoms and female condoms . Among the many barrier methods of birth control, the condom for men is used most often. Condoms come in different sizes and are described with terms like "standard" and "regular" which may or may not mean the same thing. Even when a condom comes with a size chart, there can be variations between what "large" means with one brand and what "large" means with another. They are a form of barrier contraception used to prevent pregnancy and protect against sexually transmitted infections during sexual intercourse. Condoms , when used correctly and consistently, are safe and highly effective in preventing transmission of most sexually transmitted infections, including HIV, and unplanned pregnancies. Condoms are safe, inexpensive and widely available.
