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.
For proper use of spermicide when used alone: 1  Follow directions carefully to make sure the spermicide is properly placed in the vagina. The spermicide should be inserted deep into the vagina and directly on the cervix (opening to the uterus).  Use the correct amount, according to the product directions.