Tests and Procedures

Contraceptive sponge

Risks

An estimated 12 out of 100 women who have never given birth will get pregnant during the first year of typical use of the contraceptive sponge. An estimated 24 out of 100 women who have given birth will get pregnant during the first year of typical use of the sponge.

The sponge doesn't protect against sexually transmitted infections (STIs).

The sponge and the spermicide it releases may cause:

  • Vaginal irritation or dryness
  • Urinary tract or vaginal infection
  • An increased risk of contracting STIs, including HIV
  • Toxic shock syndrome