Condoms are a form a birth control that prevent pregnancy as well as protect against many STDs. There are two types: the male condom and the female condom. There are also a variety of sizes, colors, and flavors, lubrications, thickness, shapes, and more. The male condom is made of latex, plastic, or lambskin. To be effective, condoms must be used as directed. Follow the links below to find WebMD's comprehensive coverage about condoms, how they work, pros and cons, and much more.