Condoms protect against unplanned pregnancy and most sexually transmitted infections, including HIV, gonorrhoea, chlamydia, and syphilis. Use only water or silicone based lubricant with a condom during vaginal and particularly anal sex. Barrier Methods of Birth Control: Contraception Disadvantages What Type of Condom Should I Use? Spermicide: 6 Types and How to Use Them Spermicide Twentyeight Health