Figure 4From: Metformin decreases the incidence of ovarian hyperstimulation syndrome: an experimental study Protein expression of Cycooxygenase type 2 (COX-2) in the ovaries. Each bar represents the mean ± S.E.M and the P values were determined by one way ANOVA, followed by Tukey’s test. * P< 0.05 respect to the control group and # P< 0.05 between the pointed groups.Back to article page