Table 1.

Embryo development on day 3

		T (n = 2,792)		nT (n = 742)		P-value
High-quality	≥7c F ≤10 %	1,801	64,5 %	398	53,6 %	<0,001
Good-quality	≥7c F >10- ≤ 50 % or 6c F ≤20 %	770	27,6 %	217	29,3 %	0,394
Poor-quality	≥7c F >50 % or 6c F >20 % or <6c	221	7,9 %	127	17,1 %	<0,001

The table shows the quality of the transferred and non-transferred embryos on day 3

T tetrahedral, nT non-tetrahedral, n number, c cell stage, F fragmentation

Statistics: Chi square test with Yates’ correction