Fig. 6From: Heat shock pretreatment of mesenchymal stem cells for inhibiting the apoptosis of ovarian granulosa cells enhanced the repair effect on chemotherapy-induced premature ovarian failureAmount of follicles at different stages in each group. a Primordial follicles. b Primary follicles. c Secondary follicles. d Antral follicles. *P < 0.05, compared with MSCs group. D day, HS heat shock, MSC mesenchymal stem cellBack to article page