Contraceptive Sponges
What it is . . .
Currently the only sponge available in Canada is the Protectaid Sponge. It is a small sponge filled with spermicide that covers the cervix. It is one size fits all.
How it works . . .
The sponge prevents sperm from entering the uterus.
The spermicide kills the sperm absorbed by the sponge.
Can be inserted up to 24 hours prior to intercourse.
Effective for up to 12 hours after insertion.
Must be left in place for at least 6 hours after last intercourse.
Who shouldn't use it . . .
Women who:
Are not comfortable enough with their bodies to insert and remove the sponge
Are allergic to spermicides
Have a history of persistent yeast infections or bacterial vaginosis
It shouldn't be used while a woman has her period.
What are the side effects . . .
Spermicidal allergies
Vaginal infection due to leaving sponge in place too long
May cause yeast infections or bacterial vaginosis
May cause toxic shock syndrome (rare)
How effective is it . . .
80-85% for women who have not had a vaginal delivery
60-65% for women who have
This is because vaginal delivery changes the size of the cervix which may effect how well the sponge covers it.