A number of birth control methods and devices can effectively prevent pregnancy. Some of these same devices can reduce the transmission of STDs. No long-term side effects are associated with these devices. On occasion, irritation or an allergic reaction may occur, but these can usually be alleviated by discontinuing that particular method or by changing brand names. Semen is collected inside the condom, which must be kept in place throughout intercourse and then carefully removed after ejaculation.
Condoms are readily available at low cost in most drug and grocery stores.
Some family planning clinics offer free condoms. About 15 pregnancies occur over one year out of 100 couples using this method. Effectiveness increases when a spermicide is also used. All forms can be purchased in most drug and grocery stores. Used by itself, this method is not very effective.