From: Vitrification of human ovarian tissue: a practical and relevant alternative to slow freezing
Number of resting follicles (%) | Number of primary follicles (%) | Number of secondary follicles (%) | |||||
---|---|---|---|---|---|---|---|
Group | Total number of follicles | Total | Intact | Total | Intact | Total | Intact |
Unfrozen | 249 | 203 (81.5 %) | 203 (100 %) | 39 (15.7 %) | 38 (97.4 %) | 7 (2.8 %) | 7 (100 %) |
Vitrification | 482 | 467*** (96.9 %) | 392*** (84 %) | 11** (2.3 %) | 9 (81.8 %) | 4* (0.8 %) | 2 (50 %) |
Slow-freezing | 374 | 365*** (97.6 %) | 293*** (80.3 %) | 9** (2.4 %) | 9 (100 %) | 0* (0 %) | _ |