1 The new LNG-releasing IUS: a new opportunity to reduce the burden of unintended pregnancy. Authors: Ignacio Cristobal 1,2 , José-Luis Neyro 3 and Iñaki Lete 4,5 Affiliation: 1 Obstetrics and Gynaecology Department, La Zarzuela Hospital, Madrid (Spain) 2 Francisco de Vitoria University, Madrid (Spain) 3 Obstetrics and Gynaecology Department, Cruces University Hospital, EHI-UPV, Bilbao (Spain) 4 Obstetrics and Gynaecology Clinical Management Unit, Araba University Hospital, Araba (Spain) 5 Vasc Country University, Vitoria (Spain) Author for correspondence: Ignacio Cristóbal Address: Hospital La Zarzuela, C/ Pleyades 25, 28023 Madrid, Spain