Table 3.

Grad-CAM results.

	Original image Grad-CAM focus		Enhanced ICM and TE image Grad-CAM focus
	ICM/TE N (%)	Other N (%)	ICM/TE N (%)	Other N (%)
Both images correct N = 314	270 (86.0%)	44 (14.0%)	312 (99.4%)	2 (0.6%)
Both images incorrect N = 106	93 (87.7%)	13 (12.3%)	102 (96.2%)	4 (3.8%)
Only the original image correct N = 35	29 (82.9%)	6 (17.1%)	35 (100.0%)	0 (0.0%)
Only enhanced ICM and TE images correct N = 57	46 (80.7%)	11 (19.3%)	57 (100.0%)	0 (0.0%)
Total N = 512	438 (85.5%)	74 (14.5%)	506 (98.8%)	6 (1.2%)

Grad-CAM gradient-weighted class activation mapping, ICM inner cell mass, TE trophectoderm.