Table 3. Factors affecting the longevity of ovarian tissue graft.

1. Age at the time of cryopreservation

2. Baseline ovarian reserve

3. History of cancer treatment

4. Techniques of ovarian tissue preparation

5. Freezing-thawing protocols

6. Number of cortical sections grafted

7. Transplantation techniques and graft sites

8. Degree of ischemia after transplantation

9. Number of follicles survived in ovarian grafts