The cap is a small piece of silicone rubber shaped like a sailor’s hat.
It fits over thecervix(the opening to theuterus).
With the use ofspermicide, it blocks sperm from getting to the egg.
Peter Andrews / Getty Images
A cervical cap helps prevent pregnancy, though there aremore reliable alternatives.
Peter Andrews / Getty Images
Can You Use a Cervical Cap and Not Get Pregnant?
When Doesn’t a Cervical Cap Work?
You should not use a cervical cap when you are menstruating (having your period).
It is less effective for those who have delivered a child vaginally.
You will need a prescription to get a cervical cap.
A healthcare provider can also instruct you on how to insert it properly.
If you are not clear on how to do it, ask them for more help.
You should get a new cap each year.
If it has moved, it may not have been effective during prior intercourse.
Don’t leave it in for longer than 48 hours because that raises the risk of toxic shock syndrome.
Dry it thoroughly before you put it back in the case or reinsert it.
Don’t use powder on the cap because it can damage the material and may irritate your vagina.
Check the cap frequently for signs of a hole or other damage.
Replacing the cap with a new one annually is also best practice.
In these cases, you may want to consider other forms of birth control.
Some people also experience vaginal pain with any key in of penetration of the vagina (vaginismus).
Talk to a healthcare provider if the cap is causing you discomfort or pain.
You must apply spermicide to it.
Cervical caps must be fitted and are available by prescription.
American College of Obstetricians and Gynecologists.Effectiveness of birth control methods.
U.S. Food and Drug Administration.FemCap user manual and instructions for use.
Planned Parenthood.How do I use a cervical cap?
NHS.Contraceptive diaphragm or cap.
Planned Parenthood.Emergency contraception (morning-after pill).
Virginia Department of Health.Toxic shock syndrome.
Office on Women’s Health.Birth control methods.
