Early-pregnancy serum iron as a nutrition-related clinical laboratory indicator for preeclampsia risk stratification: a retrospective cohort study (opens in new tab)

BackgroundNutrition-related clinical laboratory indicators are valuable for risk assessment, early identification, and precision management in obstetric and gynecologic diseases. Serum iron, a commonly used laboratory marker reflecting iron metabolism status, has shown inconsistent associations with preeclampsia (PE).ObjectiveTo investigate the association between early-pregnancy serum iron levels and the risk of PE, and to evaluate their associations with low birth weight, cesarean delivery,...