Table 2.

Performance of the model with AUC values for blastocyst expansion, ICM and trophectoderm quality on test and training data

Morphological feature	Training	Test
Blastocyst expansion
Class 2	0.956	1
Class 3	0.888	0.923
Class 4	0.946	1
Inner cell mass
Grade A	0.979	0.854
Grade B	0.967	0.691
Grade C	0.961	0.605
Trophectoderm
Grade A	0.900	0.726
Grade B	0.863	0.733
Grade C	0.914	0.769

Class 2; Early blastocyst, Class 3; Full blastocyst, Class 4; Expanded blastocyst, AUC; Area under the curve and ICM; Inner cell mass.