Table 2.
Cleavage and blastocyst formation rates (mean ± SD) in four groups of COCs matured in vitro at 39 °C without (group C39) or with HSP70 (group H39), at 41 °C for 6 h from the 2nd to 8th hour of IVM without (group C41) or with HSP70 (group H41).
| Blastocysts | |||||
|---|---|---|---|---|---|
| Group | COCs | Cleaved (%) | Day 7 (%) | Day 8 (%) | Day 9 (%) |
| C39 | 519 | 438 a
(84.4 ± 4.5) |
154 a
(29.7 ± 6.6) |
172 a
(33.1 ± 6.0) |
179 a
(34.5 ± 7.6) |
| H39 | 353 | 286 a,b
(81.0 ± 7.5) |
94 ab
(26.6 ± 4.4) |
111 ab
(31.4 ± 6.0) |
122 ab
(34.5 ± 6.5) |
| C41 | 508 | 401 b,c
(78.8 ± 6.8) |
102 b
(20.1 ± 3.7) |
123 b
(24.2 ± 7.9) |
129 c
(25.5 ± 9.0) |
| H41 | 704 | 551 b,c
(78.2 ± 7.4) |
186 ab
(26.4 ± 10.4) |
226 ab
(32.1 ± 11.2) |
235 abc
(33.4 ± 11.4) |
Within columns, values marked with different superscripts (a,b,c) differ significantly (p < 0.05).