The internal condom, like the external condom, is a barrier method of contraception. When worn during sex, the internal condom lines the entire interior of the vagina, preventing semen from entering the uterus and potentially fertilizing an egg. By shielding the walls of the vagina or anus from semen and other bodily fluids, the internal condom also helps…
Category: Barrier Methods
Contraceptive Sponge
The contraceptive sponge is a small, disposable polyurethane foam device that contains absorbed spermicide. It is soft, circular, and concave in shape, and it has an attached cotton loop used for insertion and removal.1,2 Before intercourse, the sponge must be inserted deep into the vagina and placed over the cervical opening in order to prevent pregnancy by killing sperm before…
External Condom
External condoms are a barrier method of contraception used to prevent unwanted pregnancies and the spread of sexually transmitted infections (STIs). An external condom is a thin sheath that is placed over the user’s erect penis before sexual activity. This barrier protects against the spread of STIs by preventing direct contact between the penis and the partner’s skin, mucosa, and genital secretions. The external condom also…
Cervical Cap
The cervical cap or contraceptive cap is a barrier method of birth control. It is a small silicone cup that is inserted into the vagina in order to prevent pregnancy. A suction mechanism allows the cap to sit over the cervix, blocking sperm from entering the uterus and preventing fertilization. For people with vaginas who…
Diaphragm
The diaphragm, a shallow silicone cap, is a barrier method of birth control for people with vulvas. Inserted deep within the vagina, the diaphragm creates a seal against the cervix to prevent sperm from entering the uterus.1 Spermicidal foam, cream, or jelly is applied onto the diaphragm before insertion to immobilize and kill sperm before…