REVERSIBLE METHODS OF BIRTH CONTROL
Barrier Methods

Diaphragm or cervical cap—Each of these barrier methods are placed inside the vagina to cover the cervix to block sperm. The diaphragm is shaped like a shallow cup. The cervical cap is a thimble-shaped cup. Before sexual intercourse, you insert them with spermicide to block or kill sperm. Visit your doctor for a proper fitting because diaphragms and cervical caps come in different sizes. Typical use failure rate for the diaphragm: 17%.1

Content source: Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion