Positive estimates for subscapular skinfold thickness for OGDM-Lifestyle (0.04 mm (-0.1, 0.2)), OGDM-Insulin (0.1 mm (0.02, 0.3)) and OGDM-Metformin (0.01 mm (-0.3, 0.3)) compared to offspring not exposed to GDM became negative after adjusting for maternal glucose concentrations at OGTT (Online Resource 3). This evidence concerns the gene INS and gestational diabetes.