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Table 2 Subsequent embryonic developmental rate of vitrified 2-cell embryos according to variousvitrification containers

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

Method No. of 2 cells No. (%) of embryo developed to
   ≥8 cell BL* Hatched BL*
Control 48 43 (89.6)a 40 (83.3)a 38 (79.2)a
EM-grid 46 35 (76.1)ab 28 (60.9)b 25 (54.3)b
OPS 43 32 (74.4)b 26 (60.5)b 25 (58.1)b
Cryo-loop 48 41 (85.4)ab 34 (70.8)ab 31 (64.6)ab
Total (Mean) 137 108 (78.8) 88 (64.2) 81 (59.1)
  1. a, bWith the same columns, values with different superscripts differ significantly (p < 0.05)
  2. *blastocyst
  3. EM-grid + OPS + Cryo-loop - Control