Diaphrams & Caps

Diaphragms and caps are barrier methods of contraception. They fit inside your vagina and cover the neck of your uterus (cervix). Vaginal caps are made of thin soft rubber with a flexible spring. New disposable ones are made of silicone. They are used in conjunction with spermicides.

How effective are diaphragms and caps?

This depends how old you are, as your fertility declines with age, and how often you
Have sexual intercourse, and whether you follow the instructions.
If used according to instructions diaphragms and caps are 92-96% effective.

How does the diaphragm or cap work?

It prevents sperm reaching an egg; it does this by covering the cervix, while spermicides kill any sperm.

Does anything affect effectiveness of diaphragm or cap?

• Not used every time you have sexually intercourse
• It does not cover the cervix
• Spermicides are not used
• Sexually intercourse occurs 3 or more hours after you have inserted your cap, and extra spermicides is not used.
• If you are sexually active more than once whilst the cap is in use extra spermicide is not used.
• The cap is not left in situ for 6 hours after sexual intercourse
• You use oil-based products with rubber diaphragms or caps.

What are the advantages?

• Only used when you have sexual intercourse
• It has no serious health risks
• You are in control of your contraception
• You can put it in any time prior to sexual intercourse
• It may give protection against cervical cancer and some sexually transmitted infections.

What are the disadvantages?

• Can interrupt sex
• Some find spermicides messy.
• You have to learn how to insert a cap correctly
• Cystitis can be a problem for some women.
• Rubber caps and spermicides can cause an irritation

Can anyone use a diaphragm or cap?

Most women are suitable but it is not an advisable method if you have poor vaginal muscles that cannot hold a diaphragm.
Have an unusual shape cervix or in a position you are unable to reach.
Sensitive to rubber or spermicides
Have repeated urinary tract infection
Have a vaginal infection; you will need to wait until the infection has cleared.
Have ever had a toxic shock syndrome
You are not happy touching yourself inside your vagina.

Where can I get a diaphragm or cap?

You can get a diaphragm or cap from your local family planning clinic Click Here for clinics in Bolton. Some general practitioners also fit caps.

How do I put a diaphragm in?

A doctor or nurse will show you how to put a diaphragm in, and show you how to check the rubber diaphragm covers the cervix. Instructions will also be given on removal, as well as use of spermicides.

How often do I need to get the diaphragm checked?

You should see a doctor or nurse every 6 to 12 months to check it still fits. Unless you are going for a smear test, put the cap in prior to your visit. They will check the cap and issue you with a new one if necessary. You may need a different size diaphragm or cap if you put on or lose more that 3kg (7pounds) in weight.