A: Pancreatic glucagon content, expressed as pmol/mg protein. B: Pancreatic GLP-1 content, expressed as pmol/mg protein. C: Pancreatic GIP content, expressed as pmol/mg protein. D: Pancreatic insulin content, expressed as nmol/mg protein. E: Intestinal GLP-1 content, expressed as pmol/mg protein. F: Intestinal GIP content, expressed as pmol/mg protein. G: Plasma glucagon, expressed as pmol/l. H: Plasma total GLP-1, expressed as pmol/l. I: Plasma GIP, expressed as pmol/l. J: Plasma insulin, expressed as pmol/l. K: Plasma glucose, expressed as mmol/l. Values are mean ± SEM of 4 observations unless otherwise indicated. Δp<0.05, ΔΔp<0.01 compared to respective non-pregnant controls. *p<0.05, **p<0.01, ***p<0.001 compared to non-pregnant or pregnant C57BL/6 mice.