Table 2.

Intra-observer agreement in embryo evaluation performed on CASS

Period	Characteristics	Correlation coefficient
Day1
	Total Cytoplasmic Volume	0.974*
Day2
	Total Cytoplasmic Volume	0.960*
	Number of Blastomeres	0.986*
	Percentage of Fragmentation	0.956*
	Size difference between Blastomeres	0.967*
Day3
	Total Cytoplasmic Volume	0.782*
	Number of Blastomeres	0.986*
	Percentage of Fragmentation	0.789*
	Size difference between Blastomeres	0.747*

*p < 0.05