SERPINA1 and preeclampsia: For the routine first-trimester preeclampsia screening test recommended by the FMF, which incorporates maternal factors, mean MAP, mean UtA-PI, serum PlGF, and serum PAPP-A, the AUC was 0.58 and the HR was 1.4 (CI: 0.7–3.0), showing no statistical significance (p = 0.43).