Birth Control: How to Use Your Diaphragm


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The diaphragm is a dome-shaped cup that fits over the opening to the cervix and prevents pregnancy.

For effective birth control, your diaphragm (see pictures below) has to fit well. Your doctor will measure your vagina to find the correct size and fit for you.

Your doctor or a nurse will teach you how to put the diaphragm in and take it out. You also should read the directions from the company that made your diaphragm

To be sure that you know how to use your diaphragm, you will need to practice putting it in and taking it out while you are in your doctor's office. Your doctor will check to see that the diaphragm fits right.

To lower your risk of getting pregnant, you must use your diaphragm correctly and use it every time you have sex. You must also use the diaphragm with spermicide (a gel or cream that kills sperm trying to enter the cervix) in order to prevent pregnancy. You can put the diaphragm in your vagina up to 1 hour before you have sex. Once in place, the diaphragm provides protection for 6 hours.

Getting Your Diaphragm Ready

Before you put the diaphragm in your vagina, put about 1 teaspoon of spermicidal gel or cream in the cup (see picture below). Smear some more gel around the rim of the diaphragm. Do not use petroleum jelly or oil-based vaginal creams (such as Monistat). These can make tiny holes in the diaphragm.

Put about a teaspoon of spermicidal gel or cream in the cup and around the rim of the diaphragm.

Inserting Your Diaphragm

You can put your diaphragm in while you are lying down, squatting or standing with one leg up on a chair. Your legs need to be fairly wide open. Bending your knees can help. Once you're in position, follow these steps:

  • Use one hand to fold the diaphragm in half with the dome pointing down (see picture below). Hold your vagina open with your other hand.
  • Put the diaphragm into your vagina, aiming for your tailbone (see picture below). Push the diaphragm as far back into your vagina as you can.
  • Use one finger to push the front rim of the diaphragm up behind your pubic bone, aiming for your belly button.
Use one hand to fold the diaphragm in half with the dome pointing down.
Put the diaphragm into your vagina and push it behind the pubic bone.

Checking Placement of Your Diaphragm

With your finger, feel for your cervix through the dome of the diaphragm. The cervix will feel firm but not bony. It feels a bit like the tip of your nose.

If the diaphragm does not cover your cervix or if you cannot feel your cervix at all, the dome is not in the right place. This means that you need to remove the diaphragm, put more spermicidal gel on it, and insert it again.

The diaphragm should not fall out when you cough, squat down, sit on the toilet or walk around. If your diaphragm stays in place when you do these things, the front rim is most likely in the right place above the pubic bone (see picture below).

The diaphragm should cover your cervix.

After You Have Sex

The following are some important points to remember after you have sex:

  • Leave the diaphragm in place for at least 6 hours after you have sex.
  • If you have sex again within 6 hours, put spermicidal gel in your vagina, but do not take your diaphragm out to put gel in the dome.
  • Take the diaphragm out of your vagina 6 to 12 hours after you have sex.
  • Do not leave the diaphragm in your vagina for more than 24 hours. Doing so can cause infection, irritation or even a complication called toxic shock syndrome.
  • Do not douche while the diaphragm is in your vagina.

To remove the diaphragm, "hook" the front rim with your finger and pull down and out. Be careful not to tear a hole in the diaphragm with your fingernails. You should not wear your diaphragm during your menstrual period. You will need to use another method of contraception during this time.

Taking Care of Your Diaphragm

After you take the diaphragm out of your vagina, wash it with mild soap and water, rinse it and allow it to air dry. Always store your diaphragm in its container. Store the container in a cool, dry place, away from sunlight.

Check your diaphragm often for holes, tears or leaks. To do this, fill the dome with water and look for tiny leaks.

Replace your diaphragm after 1 to 2 years. Every year, your doctor should check to see that your diaphragm still fits correctly. You will need to be measured again if you have a baby, have pelvic surgery, or gain or lose more than 15 pounds.

When to Call Your Doctor

Call your doctor if you have any of the following problems:

  • Trouble urinating, or painful or frequent urination
  • Vaginal itching, discharge or discomfort
  • High fever (which can be a sign of toxic shock syndrome)

You also should call your doctor if your diaphragm gets a hole in it or does not seem to fit right. If your diaphragm has any of these problems, it needs to be replaced. If you keep using it as is, you could increase your risk of getting pregnant.

Source

Diaphragm Fitting by Richard E. Allen, M.D. (American Family Physician January 01, 2004, http://www.aafp.org/afp/20040101/97.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 07/10
Created: 11/04

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