Fig. 1

Histopathological alterations in ovarian sections of the control and the experimental groups. a control; b PCOS; c solvent; d resveratrol; e metformin and f metformin+resveratrol group. g-l higher magnification of the follicles in these groups, respectively. Control group exhibited normal ovarian morphology whereas PCOS and solvent groups showed many cystic and atretic follicles. Treatment groups improved ovarian architecture as indicated by increasing number of corpus luteum and Graafian follicle. CF indicates cystic follicle; AF, atretic follicle; CL, corpus luteum; arrow, apoptotic granulosa cells in antrum. (A-F, 4X magnification; G-L, 40X magnification, H&E)