GAD1 and fetal growth restriction: Previous studies have reported no difference in the total population of GABAergic interneurons (i.e., GAD67‐positive) in the hippocampal CA1 region in CPI‐induced late‐onset IUGR fetal guinea pigs (Cumberland, Palliser, Rani, Walker, & Hirst, 2017) or in the DG in nutrient restriction‐induced IUGR postnatal rats (Ohishi et al., 2010).