Birth Control Sponge

What Is It?

The sponge is made of plastic foam and contains spermicide. It is soft, round, and about two inches in diameter. It has a nylon loop attached to the bottom for removal. It is inserted deep into the vagina before intercourse.

How Does It Work?

A foam sponge inserted into the vagina to prevent pregnancy.

How Long Do I Leave The Sponge In?

The sponge can be inserted up to 24 hours before intercourse. It must be left in place for at least six hours after the last time you have intercourse. It should not be worn for more than 30 hours in a row.

How Much $$$?

A package of three sponges costs $0–$15. The costs may be slightly lower or higher depending on where you live.

Is It Effective?

The sponge is more effective for women who have never given birth.

If women who have never given birth always use the sponge as directed, 9 out of 100 will become pregnant each year. If women who have never given birth don’t always use the sponge as directed, 12 out of 100 will become pregnant each year.

Women who have previously given birth have a higher risk of pregnancy.
If women who have given birth always use the sponge as directed, 20 out of 100 women will become pregnant each year.
If women who have given birth don’t always use the sponge as directed, 24 out of 100 will become pregnant each year.

Possible Side Effects?

  • Discharge from the Vagina
  • Genital Itching
  • Vaginal Burning
  • Vaginal Dryness
  • Vaginal Irritation
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