Significant risk factors of IUGR identified from univariate analysis were ALDH1 (OR = 0.820, CI: 0.698-0.964, p = 0.0097), salivary ORAC (OR = 1.494, CI: 1.140-1.958, p = 0.0036), and vitamin E (OR = 0.781; CI: 0.662-0.923, p = 0.0007) intake. Here, ALDH1A1 is linked to fetal growth restriction.