INS and fetal growth restriction: Regardless of the insulin infusion rate during the study, whole‐body net glucose utilization rates were greater in IUGR‐AR lambs (62 ± 4 μmol min−1 kg−1) than in IUGR (50 ± 3 μmol min−1 kg−1) and control lambs (51 ± 3 μmol min−1 kg−1; Fig. 5C).