Condoms are used to prevent pregnancy and to reduce the risk of sexually transmitted diseases. They are effective so long as the condom does its job properly, but condoms sometimes fail. Condoms fail because:
Proper Condom Use
Condoms Breaking During Sex
Condoms can sometimes break during intercourse, especially during vigorous sexual activity. Sometimes this may be due to a weakness in the condom. Penis piercings can sometimes cause condoms to split, as can sharp fingernails or teeth.
Condoms Not Manufactured Properly or Damaged after Manufacture
Not all condoms are manufactured well. Only use condoms that are marked as approved by the FDA.
Using Appropriate Lubricant
Using appropriate lubricants is very important. Use only water-based lubricants, such as glycerin or lubricating jellies (which can be purchased at any pharmacy). Oil-based lubricants, such as petroleum jelly, cold cream, hand lotion, or baby oil can weaken the condom.
Expiration Dates on Condom Packaging
Be aware that all condoms packets have expiration dates on them. After that date, the condom will not provide the protection you need to avoid pregnancy or sexually transmitted diseases.
If you do not protect yourself each time you have sex then you risk an unplanned pregnancy or getting - or passing on - a sexually transmitted disease. Always use a new condom each time you have sex.
Sources:
"Unintended Pregnancy Prevention: Contraception." Department of Health and Human Services. 28 Sept. 2006. Centers for Disease Control and Prevention. 13 Nov 2006.
"Male Latex Condoms and Sexually Transmitted Diseases." CDCs National Prevention Information Network. Jan 2003. Centers for Disease Control and Prevention. 15 Nov. 2006.
