Fig. 4

Ovarian histopathological examination of PCOS induced rats. Histological sections were stained with hematoxylin and eosin. In negative control group (a H&E × 100), various stages of follicles were developed normally with aggregation of granulosa cells. In positive control group (b H&E × 100), many follicular cysts were present in PCOS rats ovaries with degrading and thin layer of granulosa cells. After treatment of different sources of omega-3 fatty acids, few follicles with different developmental stages were observed in groups treated with SO, FO and F diets (c, d, e: H&E × 100). CF: (Cystic follicles), CL: (Corpus luteum), GC: (Granulosa cells), O: (Corpus Luteum).