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Table 4 Hatching rate of vitrified blastocysts according to various vitrification containers

From: Effects of various freezing containers for vitrification freezing on mouse oogenesis

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