Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Department of Medicine, Endocrinology and Metabolism, S. Maria della Misericordia University Hospital, Perugia, Italy. Electronic address: elisabetta.torlone@ospedale.perugia.it. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Italian Medicines Agency (AIFA), Rome, Italy. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Department of Medicine and Aging Sciences, Center for Advanced Studies and Technology (CAST,ex CeSIMet), G. d'Annunzio University Chieti-Pescara, Italy. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Diabetes Research Institute (DRI), San Raffaele Scientific Institute, Milan, Italy. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy. Interassociative Diabetes and Pregnancy Study Group, Italian Association of Diabetologists (AMD), Italian Diabetes Society (SID), Rome, Italy; Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy. Italian Association of Diabetologists (AMD), Rome, Italy; Ravenna Diabetes Clinic, Romagna Diabetes Network, Internal Dept of Ravenna Romagna Local Health Autorithy, Italy. Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy; Italian Diabetes Society (SID), Rome, Italy. Department of Medicine, Diabetology and Dietetics Unit, Padova University, Padua, Italy; Member of AMD Scientific Committee, Rome, Italy.