What is it?
A cervical cap is a thimble-shaped silicone cap inserted into the vagina and placed over the cervix before intercourse. It works best when used with a gel that acts as a barrier to help slow or kill sperm.
How does it work?
When positioned properly in the vagina, it blocks the entry of sperm into the uterus and prevents the sperm from fertilizing an egg.
How effective is it?
Currently, there is no data available on the effectiveness of only the cervical cap and gel that is available in Canada. Some studies have shown that the cervical cap has a higher failure rate compared to other types of conception.
Where can I get a cervical cap?
You will need a prescription from your healthcare provider to get a cervical cap. Cervical caps come in varied sizes, so your healthcare provider must perform a pelvic exam to find the size for you.
What is the difference between a cervical cap and a diaphragm?
Cervical caps are smaller than diaphragms and have a different shape.
Both work best with a spermicide gel and cover the cervix to prevent pregnancy. You can keep the cervical cap in for up to two days, but diaphragms are slightly more effective at preventing pregnancy. Your healthcare provider can help you choose which one is best for you.
Does it prevent sexually transmitted and blood-borne infections (STBBIs)?
The cervical cap will not protect a person from STBBIs. To protect you and your partner(s) from STBBIs and pregnancy, use a condom and/or oral dam (dental dam) with another method of contraception, also known as dual protection.
To be effective, use birth control correctly and consistently. If you want to prevent unintended pregnancy, choose a method that you and your partner(s) will use every time you have intercourse.
Talk to your healthcare provider or visit a sexual health clinic to find out what might work best for you.
To learn more about the cervical cap, visit Sex and U.
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