Copper IUDs release copper ions that are toxic to sperm, meaning they damage sperm and prevent fertilization, according to the Mayo Clinic. (livescience.com)
In recent years, use of IUDs for birth control has risen, and further increases are expected, Cleland said. (livescience.com)
As I texted to a friend: «Went back to gyno — am getting IUD thingy instead of surgery!! (housegoeshome.com)