There was no significant difference in plasma FABP4 concentrations between the three groups (GDM-GH group 18.53±13.59 ng/ml, the GDM-PE group 16.61±9.60 ng/ml, GDM-CH superimposed PE group 16.01±3.3ng/ml, P = 0.850) (Fig 2). This evidence concerns the gene FABP4 and cyclic hematopoiesis.