FABP4 and gestational diabetes: As shown in Figure 1, FABP4 concentrations of GDM cases and controls were 53.3 (33.1~93.2) ng/L vs. 42.4 (32.6~63.8) ng/L (P = 0.068) in the first trimester and 53.8 (36.8~94.1) ng/L vs. 41.6 (33.4~64.1) ng/L (P < 0.05) in the second trimester, respectively.