Global adaptation of IADPSG recommendations: A national approach

Nicky Lieberman, Ofra Kalter-Leibovici, Moshe Hod

Research output: Contribution to journalArticlepeer-review


The current practice for diagnosing gestational diabetes mellitus (GDM) in Israel employs a two-step screening approach using a 50 g glucose challenge test (GCT) followed by a 3-hour 100 g oral glucose tolerance test (OGTT). The overall adherence to this process is more than 90%. Recently, the International Association of the Diabetes and Pregnancy Study Groups (IADPSG) recommended changing this practice to a single-step GDM screening, employing a 75 g OGTT. New plasma glucose cutoffs were recommended. To make recommendations for a new screening and diagnosis policy for GDM in Israel, a committee was assembled, including representatives of professional medical organizations, health maintenance organizations (HMOs), health policy makers, epidemiologists and biostatisticians. There was agreement that a consensus can be achieved only by clinical evidence and that consensus is a key factor for changing health policy. It was also realized that the availability of local data on the annual rates of GDM, its complications, and cost-effectiveness of screening and treatment are suboptimal. This generated two studies: the first provided additional analyses of data concerning Israeli women participating in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) study, and the second was a cost-effectiveness analysis based on Clalit Health Service's (the largest HMO in the country) database. We found that the prevalence of GDM in Israel is approximately 6% and is expected to increase to 9% by adopting the new IADPSG recommendations. The conclusion was that a one-step approach is presumed to be not only cost-effective but cost-saving, even under conservative estimates. We recommend such a process for other countries debating whether to change their GDM screening and diagnostic approach.

Original languageEnglish
Pages (from-to)S45-S47
JournalInternational Journal of Gynecology and Obstetrics
Issue numberSUPPL. 1
StatePublished - Nov 2011


  • Cost-effectiveness
  • Gestational diabetes
  • Screening


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