Embryo Density and Its Neutrality in Day-3 Embryo Development: A Retrospective Cohort Study

Table 2

Cleaving speed, quality, and clinical results of day-3 embryos among different embryo density groups (n = 10941 for embryos cleaved on day 3; N₁ = 832 for embryos transferred).

Variables	Embryo density (ul/embryo)			value
	30	15	10
No. of embryos cleaved on day 3, N	3064	5695	2182
7–10 cell embryos, n (%)^a	1754 (57.2)	197 (56.1)	1272 (58.3)	0.73
MGE, n (%)^b	613 (20)	1158 (20.3)	437 (20)	0.85
No. of embryos transferred on day 3 in the fresh cycle, N1	430	348	54
Implanted embryos, n (%)^c	162 (37.7)	129 (37.1)	15 (27.8)	0.36

MGE: morphological good embryo. ^aProportion of embryos with 7–10 blastomeres on day 3. ^bProportion of MGE on day 3. ^cProportion of successfully implanted embryos on day 3.