The ROC curves of the dataset showed that the IUGR-HGs are good diagnostic targets for IUGR, with an AUC value of 0.992 for CRYL1, 0.992 for NDP52, 0.947 for ADAM9, and 0.955 for SERPINA7 (Figure S4). The gene discussed is SERPINA7; the disease is fetal growth restriction.