Fetal hind limb length and chest girth at surgery were not different amongst groups (hind limb length: Control, 17.4±1.0 mm; IUGR, 18.5±1.4 mm; IGF1, 16.5±1.5 mm; Chest girth: Control, 22.8±0.4; IUGR, 22.5±0.7 mm; IGF1, 21.4±0.6 mm). Here, IGF1 is linked to fetal growth restriction.