Read more about the right way to use a male condom . Chemicals that kill sperm. Increased effectiveness when used with condoms. Small, dome-shaped latex cup that fits over the cervix. It is used with contraceptive cream or jelly.
Keeps sperm out of the uterus.
Also, chemicals in the cream or jelly kill sperm. Must leave it in place for 6-8 hours after last act of intercourse, but never longer than 24 hours. Does not protect against HIV or other STDs. Small tablets of hormones taken as an emergency means of contraception. Must be used within 72 hours of unprotected sex.