Table 2.
Morphological stability of meiotic spindle and chromosome in mature oocytes after vitrification-warming
Equilibration time
No. of oocyte
Spindle and chromosome configuration (%)
Normal
Abnormal
Control
69
60 (87.0)
9 (13.0)
5 min
77
57 (74.3)
a
20 (25.7)
10 min
90
73 (81.1)
17 (18.9)
15 min
83
55 (66.3)
a
,
b
28 (33.7)
:
p
<0.05 control vs. experimental group
:
p
<0.05 5 and 10 groups vs. 15 groups