Cervical Cap
vs
Sponge
A side-by-side comparison of two birth control methods — efficacy, cost, how they work, and who shouldn't use them.
Side-by-side comparison
| Method |  Cervical CapA small silicone cap that fits over the cervix by suction, used with spermicide before sex. |  SpongeA soft foam disc placed deep in the vagina before sex. It covers the cervix and contains spermicide. |
|---|---|---|
| Efficacy | Least effective see details Least effective: under 90 out of 100 people successfully prevent pregnancy per year. | Least effective see details Least effective: under 90 out of 100 people successfully prevent pregnancy per year. |
| Cost | $90–$120 Insurance: Usually | $15–$20 /per package Insurance: No |
| Duration | Reusable for 2 years (replace every 2 years or sooner if damaged) | Single use (can be left in place up to 24 hours and for multiple acts of sex) |
| Reversibility | Reversible | Reversible |
| STI Protection | No | No |
| How it works | A small silicone cap fits snugly over the cervix and stays in place by suction, blocking sperm from entering the uterus. Used with spermicide inside the cap. | A foam disc impregnated with spermicide is placed over the cervix before sex. The spermicide kills or disables sperm and the physical barrier blocks sperm from entering the uterus. |
| Prescription | Required Prescription required | OTC No prescription / OTC |
| Available Products | 1 product | 1 product |
| Side effects |
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| Who shouldn't use this |
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