Figure 3: Rates of aneuploidy according to overall grade of embryos. Donor egg: p=0.0001 (significantly different), <35: p=0.06 (not significant); 35-39: p=0.02 (significantly different); 40-42: p=0.006 (significantly different); >42: p=0.04 (significantly different - Kruskal-Wallis test).