MASP1 and gestational diabetes: In the 25 pairs of GDM cases and controls, MASP-1 and MASP-2 were significantly higher in the GDM cases than those in the controls (means ± SD of Ln MASP-1 and MASP-2: 15.1 ± 0.26 vs. 15.0 ± 0.22, P = 0.029 and 15.8 ± 0.21 vs. 15.7 ± 0.19, P = 0.016, respectively).