Birth Control: Diaphragm and Cervical Cap
Pregnancy Rates
Typical use: 18% Perfect use: 6–9%
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The diaphragm and the cervical cap protect against pregnancy by covering the cervix. They keep sperm from entering the uterus to meet the egg.
Using the Diaphragm or Cervical Cap
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These devices must be prescribed and fitted by a healthcare professional. He or she will instruct you how to insert them.
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These devices must be used with spermicides.
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Both devices can be inserted up to 2 hours before sex.
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The diaphragm can be left in place for up to 24 hours, the cervical cap for up to 48 hours.
Pros
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Provides birth control right away.
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Can be inserted ahead of time.
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Easy to stop if you decide you want to become pregnant.
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May protect against certain STDs (but not HIV, the virus that causes AIDS).
Cons
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Requires planning ahead.
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May be hard for some women to insert.
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May increase risk of urinary tract infection (UTI) or toxic shock syndrome (TSS).
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Must be left in place for 6 to 8 hours after sex.
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Cervical cap: can’t be used during your period.
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Cervical cap: less effective (26% pregnancy rate with perfect use) for a woman who has given birth.
The diaphragm or cervical cap may not be for you if…
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You’re allergic to all spermicides.
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You can’t reach your cervix or insert the device correctly.
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You are not willing to plan ahead or to interrupt lovemaking to use it.
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Date Last Modified:
12/29/2003