Effects of various freezing containers for vitrification freezing on mouse oogenesis

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)

^a,bWith the same columns, values with different superscripts differ significantly (p < .05)
*blastocyst
^† EM-grid + OPS + Cryo-loop - Control

ISSN: 2055-0391