Table 1.

Morphological grading of embryos based on fragmentation and blastomere size according to Stensen et al. (31)

Score	Description
3	≥10-20% fragmentation, even or uneven blastomeres
2	>20-50% fragmentation, even or uneven blastomeres
1	Fragmentation precluded counting blastomeres
0	Cleavage arrest or morphologically abnormal embryo