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Contraceptive Sponge

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Contraceptive Sponge

The contraceptive Sponge is a small polyurethane disposable sponge that is inserted in the vagina. It is placed on the cervix and forms a barrier that prevent the sperms from entering the uterus. The sponge contains spermicide to help absorb and trap sperms.

How does it work?

  • The contraceptive effectiveness of the sponge is first ensured by the spermicide which is slowly released over a period of 24h.
  • Sperms are absorbed and trapped by the spermicide which will also destroy its cellular membrane.
  • The sponge also acts as a barrier to avoid sperm penetration in the cervix.
  • The sponge can be inserted in the vagina up to 24h before a sexual intercourse. One side of the sponge is concave to hug the cervix, while the other side holds a loop to ease the removal.
  • The sponge is offered in one size and sold over-the-counter in any pharmacy.
  • The protection starts as soon as the sponge is inserted and lasts about 24h. The same sponge can remain in place for several sexual intercourses and have to stay in the vagina at least 6h after your last intercourse but should not remain in the vagina for more than 30h altogether.

 

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  • The sponge is less effective on women that have already experience birth.
  • The effectiveness of the sponge can be increased by using the male condom at the same time..
  • Multiparous women – Women who have already given birth to a child.
  • Nulliparous women – Women who have never given birth

Failure rate by actual use – Multiparous women:

  • 240 women over 1000 in the course of first year usage

Failure rate by theoretical use – Multiparous women:

  • 200 women over 1000 in the course of first year usage

Failure rate by actual use – Nulliparous women:

  • 120 women over 1000 in the course of first year usage.

Failure rate by theoretical use – Nulliparous women:

  • 90 women over 1000 in the course of first year usage
  • Combines physical barrier and spermicide onto one contraceptive device
  • Non-Hormonal
  • Provides 12h of protection with no replacement between each sexual intercourses during this time period.
  • Improves the effectiveness of other contraceptive methods such as condoms
  • Sold over-the-counter in any pharmacy
  • Failure rate higher than all the other contraceptive methods
  • Increases the risk or irritation or abrasion of the vagina and cervix, increasing the risks of HIV transmission
  • Some users can have difficulty inserting the sponge correctly
  • Does not protect against STIs