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Cervical Cap
Also Femcap and Leas Shield

By , About.com Guide

Updated August 05, 2009

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A cervical cap is a silicone or latex cup and acts as a barrier birth control device. It is similar to a diaphragm but is made to fit onto the cervix.

Cervical Cap, Femcap and Leas Shield

Photo © 2009 Dawn Stacey
A cervical cap is a soft, thimble-shaped device that is inserted into the vagina and fits snugly over the cervix. Like the diaphragm, the cervical cap prevents sperm from reaching an egg. Yet unlike the diaphragm, the cap is much smaller. The cervical cap keeps sperm from entering the uterus by forming a secure seal around the cervix as suction keeps the cap in place. For added protection, the cap should be used with spermicide (like Gynol). The cap can be inserted up to 24 hours before having sex, but you must wait at least 6 to 8 hours after having sex to remove it.

FemCap is silicone cup that is offered in 3 sizes:

  • Small (never been pregnant)
  • Medium (had a c-section or abortion)
  • Large (had a vaginal birth)
Lea’s Shield is also a silicone cup but has an air valve and a loop to aid in removal. It only comes in one size.
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