Selection of competent blastocysts for transfer by combining time-lapse monitoring and array CGH testing for patients undergoing preimplantation genetic screening: a prospective study with sibling oocytes

Table 5 Comparison of transferred euploid blastocysts at each grade between time-lapse system (Group A) and conventional incubator (Group B)

Parameters	Group A	Group B	pvalue
Total transferred blastocysts	71	59
Transferred blastocysts at Grade 3	4 (5.6%)	5 (8.5%)	0.731^a
Transferred blastocysts at Grade 4	26 (36.6%)	27 (45.7%)	0.381^b
Transferred blastocysts at Grade 5	38 (53.5%)	26 (44.1%)	0.369^b
Transferred blastocysts at Grade 6	3 (4.2%)	1 (1.7%)	0.625^a

ISSN: 1755-8794