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Table 3 Subsequent embryonic developmental rate of vitrified 8-cell embryos according to variousvitrification containers

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

Method No. of 8 cells No. (%) of embryo developed to
   Morulae BL* Hatched BL*
Control 42 40 (95.2)a 39 (92.9)a 38 (90.5)a
EM-grid 40 28 (70.0)b 28 (70.0)b 25 (62.5)b
OPS 41 30 (73.2)b 30 (73.2)b 28 (68.3)b
Cryo-loop 42 34 (81.0)b 33 (78.6)b 31 (73.8)b
Total (Mean) 123 92 (74.8) 91 (74.0) 84 (68.3)
  1. a, bWith the same columns, values with different superscripts differ significantly (p < 0.05)
  2. *blastocyst
  3. EM-grid + OPS + Cryo-loop - Control