A condom is a barrier used to prevent pregnancy and the contraction of sexually transmitted infections. A condom is a simple sheath that's rolled down over the penis and can be used during vaginal, oral, and anal sex.
It can also be used on sex toys for easy cleaning, toy sharing, or porous materials.
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Although condoms are not 100% effective, using them properly significantly increases the level of protection they provide. They can also be combined with other birth control methods. Condoms are most commonly made from latex but can also be made from sheepskin or polyurethane.
Condoms can also be used as a dental dam when cut lengthwise. There are also female condoms which consist of a wider sheath that's inserted into the vagina.