No medical exam or prescription is needed. Dulls sensation a bit but helps you last longer. Spermicidal foam offers added lubrication. A sperm-killing chemical inserted into vagina before intercourse. Inserted deep into vagina with a plastic applicator.
Foam forms a chemical barrior over entrance to uterus.
Sperm cells die when they hit the foam. Fill applicator with foam. Lying down, insert applicator into vagina and push plunger of applicator. Foam must be inserted no more than half hour before sex. About 10 out of 100 women become pregnant in a given year when using foam alone.