Table 4
Hatching rate of vitrified blastocysts according to various vitrification containers
Method
No. of blastocysts
No. (%) of embryo
developed to hatched BL*
Control
42
40 (95.2)
a
EM-grid
42
35 (83.3)
b
OPS
41
32 (78.0)
b
Cryo-loop
44
38 (86.4)
ab
Total (Mean)
†
127
105 (82.7)