Mayo Clinic: “Copper IUD (ParaGard).”
Cleveland Clinic: “Paragard (Copper) IUD.”
ACOG: “Emergency Contraception.”
NHS: “Intrauterine device (IUD).
Lisa Holloway, CRNP, Washington, DC.
CDC: “Classifications for Emergency Contraception.”
UCSF Beyond the Pill: “Copper IUD as EC.”
Tara Scott, MD, Akron, OH.
Obstetrics and Gynecology International: “Practical Advice for Emergency IUD Contraception in Young Women.”