There are several important things to remember. Put the spermicide in before every act of sex. Some spermicides must be inserted at least ten minutes before you begin having sex. If you have sex again, insert more spermicide. Do not douche for at least 6 hours after intercourse, or you could wash away the protection.
Suppositories Unwrap the suppository.
Then put it as far as you can into your vagina. It should be placed as close to the cervix as possible. Suppositories take 10 to 30 minutes to be effective. The protection lasts from 10 to 30 minutes after insertion up to 1 hour after insertion. Read the product label carefully.