Nonoxynol-9 28%; soluble vaginal inserts. 1 film vaginally at least 15 minutes and up to 1 hour before each intercourse. Do not douche for at least 6 hours after intercourse. Effective for up to 3 ...

Measuring 1.75 inches in diameter and.50 inches in thickness, the sponge is coated with sperm-killing nonoxynol-9 and has a dimple in the middle that fits over the cervix. A ribbon-like loop aids ...