Table 2. Embryos are matched with their respective KS5 scores (1 to 6). Number of euploid, transferred, and implanted embryos, and gestational sacs in each group are shown
Score KS5	Embryos	Euploid	Transfer	Positive β-hCG	Implantation rate	p-value	Gestational sac w/heart beat	Ongoing pregnancy rate	p- value	Euploidy rate	p-value
1	269	130	51	25	49.0%	0.045	24	47.1%	0.105	48.3%	0.006
2	4	2	0	0	0.00%		0	0.00%		50.0%
3	211	111	31	18	58.1%	NS	18	47.4%	NS	52.6%	0.042
4	5	3	3	2	66.7%		2	66.7%		60.0%
5	115	74	29	17	58.6%	NS	15	51.7%	NS	64.3%	0.042
6	223	138	25	20	80.0%	0.045	18	72.0%	0.105	61.9%	0.006