Table 2 Characteristics of embryos subjected to blastocyst culture
From: Does conventional morphological evaluation still play a role in predicting blastocyst formation?
Training set | Validation set | |
|---|---|---|
Total embryos cultured | 96,378 | 11,770 |
Fragmentation, % | 0[0–5] | 0[0–5] |
Cell number on day 3 (%) | ||
8 cells | 32,992(34.2) | 4240(36.0) |
2–3 cells | 3678(3.8) | 318(2.7) |
4–6 cells | 23,278(24.2) | 2844(24.2) |
7 cells | 16,147(16.8) | 1873(15.9) |
9–11 cells | 13,912(14.4) | 1758(14.9) |
12–15 cells | 2814(2.9) | 501(4.3) |
compact | 3557(3.7) | 236(2.0) |
Symmetry (%) | ||
uneven | 26,956(28) | 2000(17) |
even | 69,422(72) | 9770(83) |
Early cleavage (%) | ||
yes | 42,669(44.3) | 5961(50.6) |
no | 53,709(55.7) | 5809(49.4) |
Total blastocyst formed (%) | 55,323(57.4) | 7024(59.7) |