Abundances of alpha-1-antichymotrypsin 2 (ACT2, Spot F58), alpha-1-antichymotrypsin 3 (ACT3, Spot F41, F104) and serpin A3-6 (Spot F104) were increased in the IUGR group, as compared with the NBW group. This evidence concerns the gene CCL4 and fetal growth restriction.