0.05); TFSR was 100% in OBC, NS and TS. No significant differences in TRR (p > 0.05); AF were found only in OBC; TFSR was 100% after transplantation; significantly higher FGR in the 2.5 months compared to the 1.5 months-group (p  < 0.05). AMH- and E2-level in group 1 and 3 were significantly higher than in group 2 (p < 0.05); in contrast, FSH was significantly lower. Conclusions After transplantation in the mice, the thawed ovarian tissue survived and follicles developed. The ovarian fossa site was the best site for transplantation. Our animal experiments can verify that our human ovarian tissue cryopreservation technique can preserve the quality of ovarian tissue. This is the essential precondition for successful re-transplantation into the patients after performing chemo/radiotherapy to protect ovarian function and fertility."/>
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Table 2 TFSR and FGR of frozen thawed human ovarian tissue in two different periods after transplantation into nude mice

From: Randomized study to prove the quality of human ovarian tissue cryopreservation by xenotransplantation into mice

Groups Primordial follicles Primary follicles Secondary follicles Antral follicles Atretic follicles Albicans TFSR (%) FGR (%)
1.5 m after transplantation 104 2 0 0 0 5 100 1.9
2.5 m after transplantation 103 4 0 5 0 2 100 8.0
χ 2 4.30
p -value 0.04*
  1. Note: *FGR in two different periods after transplantation into nude mice was significantly different (p < 0.05)
  2. TFSR total follicle surviving rate
  3. FGR follicle growth rate