II. Contraindications
III. History
- Not manufactured since early 1990s
- Returning to U.S. market in 2005
IV. Device
- Polyurethane foam
- Containe 1 gram Nonoxynol 9
V. Mechanism
- Over-the-counter barrier contraceptive
- Contains Spermicide (Nonoxynol-9)
VI. Protocol
- Woman inserts for <30 hours
VII. Efficacy
- Ideal use: 89-91% effective at preventing pregnancy
- Typical use: 84-87% effective at preventing pregnancy
- Comparable efficacy to Male Condom or diaphragm
- Efficacy may be reduced if history of prior pregnancy
VIII. Disadvantages
- Does not prevent Sexually Transmitted Disease
IX. References
- (2005) Prescriber's Letter, p. 35