The contraceptive diaphragm is a small rubber cap that holds spermicidal cream or jelly against the cervix. This is where the sperm are trying to go to get to the egg. The cream or jelly kills the sperm.

Advantages include:

• It's more effective than foam or suppositories.
• The woman controls the method.
• Your partner won't feel it.
• You can have your partner insert it as part of foreplay. You teach him how!

Disadvantages include:

• It's less effective than the condom.
• Putting it in may interrupt the flow of foreplay.
• The cream or jelly may have an unpleasant taste.
• Using it increases the chance of getting bladder infections.
• You have to go to a doctor or clinic to be fitted for one and instructed in its use.
• It provides very little protection against STD.