Fig. 1From: The impact of revised diagnostic criteria on hospital trends in gestational diabetes mellitus rates in a high income countryIncidence of GDM nationally and at the 19 maternity hospitals*. * Hospital size based on total numbers of women delivered per annum. ‘New’ refers to the introduction of new national clinical guidelines in 2011. (Sources: Hospital In-Patient Enquiry System (HIPE) 2008–2017, National Perinatal Reporting System (NPRS) 2008–2013, Irish Maternity Indicator System (IMIS) 2014–2017)Back to article page