Table 1. Comparison of spontaneous in vitro maturation between fresh and vitrified GVoocytes
  Fresh GV (n=46) Vitrified GV (n=43) p-value
Mean age (years) 37.04±3.93 36.00±3.18 0.38
GV→MII at 24h (%) 43.5 (20/46) 53.4 (23/43) 0.39
GV→MII at 48h (%) 60.9 (28/46) 74.4 (32/43) 0.18
Immature at 48h (%) 24.0 (11/46) 25.5 (11/43) 0.18