Table 1. Blastocyst development and euploidy status by day of in vitro culture
	Day 5	Day 6	Day 7
# Biopsied	879	918	128
% Blastocyst Yield	45.7%	47.7%	6.6%
# Normal	470	371	46
% Euploid	53.5%a	40.4%b	35.9%b
a,b Row values with different superscripts are different (p<0.05)