“…The German perinatal registry, which includes almost 99 % of births in German hospitals, reports 22 000 cases of gestational diabetes for the year 2009 (3.4 % of all pregnancies) [6]. An estimated 90 % of all gestational diabetes cases, however, are not detected at all, mainly because there is no routine screening for gestational diabetes as part of prenatal care in Germany [6]. The prevalence of gestational diabetes in Germany is estimated to be as high as 8 % [3,7,8].…”