[Glucosuria of pregnancy: frequency of diabetes mellitus and renal glucosuria (author's transl)].

From 1974 to 1979 352 pregnant women were referred to our diabetic outpatient clinic because of glycosuria during pregnancy. In 118 women (34%) oral glucose tolerance tests revealed a pathologic glucose tolerance. In 234 pregnant women (66%) a "renal glycosuria of pregnancy" was found to be the cause for the observed glycosuria. A pathologic glucose tolerance was relatively more frequent in the 3rd trimenon, whereas renal glycosuria was observed to be more frequent in the second trimenon.