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Morphology of the inner cell mass (ICM) and trophectoderm (TE) of blastocysts following in vitro splitting
| Variables | Control | Twin A | Twin B | P value |
|---|---|---|---|---|
| n=21 | n= 48 | n=42 | ||
| ICM (%) | ||||
| A | 9 (42.9) | 2 (4.2) | 0 | ˂0.0001 |
| B | 8 (38.1) | 18 (37.5) | 14 (33.3) | |
| C | 4 (19) | 28 (58.3) | 28 (66.7) | |
| TE (%) | ˂0.0001 | |||
| A | 16 (76.2) | 12 (25) | 8 (19) | |
| B | 2 (9.5) | 25 (52.1) | 19 (45.2) | |
| C | 3 (14.3) | 11 (22.9) | 15 (35.7) | |
The values are presented as the number of embryos (%).
