A condom is a sheath-shaped barrier device , used during sexual intercourse to reduce the probability of pregnancy or a sexually transmitted infection STI. The male condom is rolled onto an erect penis before intercourse and works by forming a physical barrier which blocks semen from entering the body of a sexual partner. Condoms as a method of preventing STIs have been used since at least The effectiveness of condoms, as of most forms of contraception , can be assessed two ways. Perfect use or method effectiveness rates only include people who use condoms properly and consistently. Actual use , or typical use effectiveness rates are of all condom users, including those who use condoms incorrectly or do not use condoms at every act of intercourse.
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Safety First: 14 Common Condom Use Errors | Live Science
Medically reviewed by Drugs. Last updated on Mar 11, A male condom is a thin sheath placed over the erect penis. When left in place during sexual intercourse, oral sex or anal sex, male condoms are an effective way to protect yourself and your partner from sexually transmitted infections STIs. Male condoms are also an effective way to prevent pregnancy.
Safety First: 14 Common Condom Use Errors
A female condom also known as a femidom or internal condom is a device that is used during sexual intercourse as a barrier contraceptive to reduce the risk of sexually transmitted infections STIs — such as gonorrhea , syphilis and HIV , though its protection against them is inferior to that by male condoms  and unintended pregnancy. Invented by Danish MD Lasse Hessel , it is worn internally by the female partner and provides a physical barrier to prevent exposure to ejaculated semen or other body fluids. Female condoms can be used by the receptive partner during anal sex.
Everyone has seen one at one time or another, a used condom. It's not the prettiest site that's for sure. And why is it that used condoms always seem to show up at the worst time or in the worst possible places? One day at the grocery store I was trying to be a nice guy and walk the elderly lady to her car. She had more groceries than she could handle and she could barely walk.