Condom use is an effective method of preventing pregnancy and reducing the risk of sexually transmitted infections (STIs). Condoms are typically made from latex or polyurethane and are designed to be worn during sexual intercourse. They act as a barrier, preventing sperm from entering the vagina and protecting both partners from potential infections. To use a condom correctly, it is important to check the expiration date and ensure the packaging is intact. When putting on a condom, pinch the tip to leave space for semen and roll it down the erect penis. After intercourse, hold the base of the condom while withdrawing to prevent spillage.