Materials, products and services - the Green Guide Online provides details of the life cycle environmental impacts of construction materials and components, and the Green Book is a free online database of products and services.
Spermicides are used globally for birth control, with or without condoms. As the only means of birth control, spermicides are rarely effective. However, in conjunction with condoms, spermicides are somewhat effective in birth control.
When spermicides are used in conjunction with condoms and other barrier methods there is a 97 percent effective rate for pregnancy prevention. Side effects Temporary local skin irritation involving the vulva, vagina, or penis is the most common problem associated with spermicide use.