Table 1: The maturation rates of the mouse vitrified and nonvitrified tissue-isolated GV oocytes.

GroupsNo. of isolated GVNo. of GV reached MIINo. of degeneratedNo. of fertilizedNo. of 2 cellNo. of 8 cellNo. of morulaNo. of blastocyst

Control261226
(86.9 ± 4.51)
6
(2.19 ± 1.01)
183
(81 ± 3.46)
163
(89 ± 4.24)
100
(54.6 ± 3.79)
86
(46.9 ± 3.82)
75
(40.9 ± 2.74)
Vitrification18392*   
(50.2 ± 6.97)
30*   
(16.3 ± 6.5)
44*   
(47.8 ± 10.85)
28*   
(63.6 ± 8.42)
12*   
(27.2 ± 4.88)
7*   
(15.9 ± 7.64)
5*   
(11.36 ± 5.51)

Four experimental replicates were performed for each group. GV: germinal vesicle stage oocyte; MII: metaphase II oocyte. Data within prentices are % ± SD. *Significant differences compared to the control group in the same column ( ).