The birth control sponge is 86% effective if you have never given birth and 73% if you have. It is filled with spermicide, which is a compound that kills or immobilizes sperm. To use it ...

How well does it work? The sponge can be among the least reliable birth control. About 9 out of 100 people who have never given birth and been correctly using the sponge get pregnant.

Once the most popular female-controlled, over-the-counter form of birth control, the sponge was used by 6.4 million women between 1983 and 1995. It was discontinued when the original manufacturers ...

Birth control is also known as contraception ... It is used with spermicide. Sponge with spermicide − A disc-shaped device with spermicide that covers your cervix. It is put in place before ...