Effectiveness of Stork Avoidance
72-80%
Frequency of Use
Can be inserted up to 24 hours before having sex. It must be left in place for at least six hours after the last time you have sex. It shouldn’t be worn for more than 30 hours in a row. You can have sex as many times as you like during the first 24 hours, but then you should throw it away. A new sponge should be used the next time you have sex.
Length of Time from Stop to Stork
Immediately
Must see a Health Care Provider Before Starting
No – however, tell your health care provider. You may be advised to use an additional birth control method.
Prescription Needed
No
STI Protection
No
Description
The sponge is made of plastic foam that contains spermicide and is inserted deep into the vagina before sex.