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 patients using spermicides with a cervical cap: 1  To be most effective at preventing pregnancy, the cervical cap must always be used with a spermicide. Both must be used every time you have sexual intercourse.  Before inserting the cervical cap, inspect it for holes, tears, or cracks.