From: Different effectiveness of closed embryo culture system with time-lapse imaging (EmbryoScopeTM) in comparison to standard manual embryology in good and poor prognosis patients: a prospectively randomized pilot study
Embryo grades
EmbryoSlide (n = 68)
Standard dishe (n = 64)
P value
Grade A (%)
79.7 ± 3.8
80.1 ± 2.4
0.83
Grade B (%)
9.8 ± 3.1
13.1 ± 3.8
0.44
Grade C (%)
10.3 ± 4.4
7.5 ± 3.0
0.61