What Is It?
Dome-shaped latex cup with flexible rim to cover the cervix
How Does It Work?
- Cup acts as barrier to sperm
- Spermicide kills sperm
How Is It Used?
- Clinician fits woman with proper size and teaches correct use
- Spermicide is placed in the cup before inserting no more than 2 hours before sex
- Diaphragm should be left in place for at least 6 hours after sex
- Additional spermicide is needed for each act of intercourse
84% - 94%
Failure rate increases if you have sex more than 3 times a week
Can be placed in the vagina up to 2 hours before sex
- Requires a clinic visit for sizing and prescription for diaphragm
- Some people are allergic to the latex or the spermicide
- Must be removed within 24 hours to avoid pelvic pressure, vaginal discharge, irritation or toxic shock
- May increase risk for vaginal and urinary tract infections
- Spermicide use may cause irritation or discomfort
- Frequent spermicide use (> or = 2 times/day) may cause irritation that may increase susceptibility to HIV
- Cannot be used with oil-based lubricants or vaginal medications
NOT PROVEN TO REDUCE RISK OF HIV/AIDS OR STDs