Table 2
Percent occurrence of three classification of blastocyst quality following the guidelines of the IETS Manual

Groups	n	Actual blastocyst count (Percent Occurrence %)
		Good (1)	Fair (2)	Poor (3)
Group I	12	4 (33.3)	6 (50)	2 (16.67)
Group II	15	11 (73.3)	3 (20)	1 (6.7)
Group III	13	5 (38.5)	4 (30.8)	4 (30.8)
Group IV	20	19 (95)	0	1 (5)