Sponges Sponges are round, disposable polyurethane foam devices, about 5 centimeters in diameter that contain 3 different kinds of spermicidal agents. They are inserted into the vagina where they cover the cervix, and absorb sperm, preventing the passage of sperm through to the uterus. Once the sponge absorbs sperm, the spermicidal agents kill or inactivate them. The sponge may be inserted up to 6 hours prior to having intercourse, and should be left in place for 6 to 8 hours following intercourse, prior to removal, allowing the spermicidal time to work. The spermicidals in the sponge are released for up to 12 hours following insertion.
Sponges are single use only.
Once removed from the body, the sponge must be discarded. Click Here to make suggestions, comments about C-Health.