The diabetes data contains parameters of body composition (BMI, waist and hip circumference) as well as OGTT measurements (blood samples of glucose, insulin, C-peptide, proinsulin and amylin were taken at fasting as well as frequently at 10, 20, 30, 60, 90, 120, 150 and 180 minutes after ingestion of 75 g glucose) of 110 females after pregnancy with gestational diabetes. This evidence concerns the gene INS and gestational diabetes.