LGMN and preeclampsia: LGMN protein concentration was significantly decreased in patients preceding diagnosis of term preeclampsia, median of 9.96 × 102 pg/mL (IQR, 5.73 × 102 pg/mL – 1.65 × 104 pg/mL) (Fig. 3B, P = 0.0135), compared to gestation-matched controls, median of 1.50 × 103 pg/mL (IQR, 4.10 × 102 pg/mL – 9.03 × 103 pg/mL).