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Percent and frequency of embryos hatching from the embryonic or abembryonic pole at days 7 and 8
| Hatching pole related to the inner cell mass (ICM) | Embryonic | Abembryonic | |
|---|---|---|---|
| Adjacent to the ICM | Lateral to the ICM | Opposite to the ICM | |
| Day 7 | 55% (32/58) | 28% (16/58) | 17% (10/58) |
| Day 8 | 54% (28/52) | 29% (15/52) | 17% (9/52) |
A total of 110 embryos were evaluated after bright field and epifluorescence microscopy imaging; 58 at day 7 and 52 at day 8
