Fig. 2

Ovarian fibrosis examination by histopathological analysis. a, b, ×200]: Sirius red staining and Masson trichrome staining of the ovarian tissue in each group observed under a microscope. Arrows indicate staining of type I and type III collagen fibers. c, d The score of stained Sirius red and Masson trichrome Staining was quantitated using ImageJ software. The value is expressed as the mean ± SD. n = 40, *P < 0.05, **P < 0.01, and ***P < 0.001. SD standard deviation