FHI has created a quick reference guide, in the form of a chart, which summarizes the World Health Organization's Medical Eligibility Criteria (MEC) for combined oral contraceptives, the injectable contraceptive depot-medroxyprogesterone acetate (DMPA), progestin-only implants, and copper IUDs. Unlike previous versions of the MEC Quick Reference Chart, the 2009 version includes a complete list of all conditions that the World Health Organization classifies as Category 3 (usually not recommended) and Category 4 (should not be used).