Spermicides are agents which kill spermatozoa and are used as contraceptives.
Regular Websites
Center for Young Women's Health
Targeting teenaged girls, this site consists of charts and statistics regarding the incidence of pregnancy with use of spermicide, details about how they work and how to use them, and details about various forms, including foams, films, suppositories, sponges, and creams. - Center for Young Women's Health
http://www.youngwomenshealth.org/femalebarrier2.html
Planned Parenthood: Spermicide
Describes spermicides in general and how they work, how effective they are, and the benefits versus the disadvantages. - Planned Parenthood: Spermicide
http://www.plannedparenthood.org/health-topics/birth-control/spermicide-4225.htm
Presents sections about various forms of spermicide, including cream, foam, suppositories and film. - Types of Spermicides
http://www.mjbovo.com/Contracept/Sperma-Types.htm