#intrauterine_device__IUD  contraceptive device consisting of a piece of bent plastic or metal that is inserted through the vagina into the uterus
  supertype:  contraceptive_device__contraceptivedevice__contraceptive__preventive__preventative__prophylactic_device__birth_control_device__birthcontroldevice  an agent or device intended to prevent conception
  subtype:  loop.intrauterine_device  an intrauterine device in the shape of a loop

No statement uses or specializes intrauterine_device; click here to add one.