Figure 3From: Metformin decreases the incidence of ovarian hyperstimulation syndrome: an experimental study Concentration of the vascular endotelial growth factor (VEGF) in ovaries homogenates and in serum. Each bar represents the mean ± S.E.M and the P values were determined by one way ANOVA, followed by Tukey’s test. *** P< 0.001 respect to the control group and # P< 0.05 between the pointed groups.Back to article page