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. 2013 Jul 11;30(8):1081–1090. doi: 10.1007/s10815-013-0048-4

Table 1.

Summary of time-lapse studies evaluating various morphokinetic events and timings and correlation to embryonic aneuploidy

Timing endpoint assessment Biopsy type Diagnosis approach Imaging system Aneuploidy correlation Reference
Prolonged duration of 1st cytokineses, time between 1st and 2nd mitosis Day 2 aCGH Eeva™ Yes [15]
1st division, 2nd division, appearance of 4th blastomere, 3rd division Trophectoderm aCGH Embryoscope® No [65]
PN appearance, PN disappearance, cleaving timing, compaction, cavitation Trophectoderm qPCR Embryoscope® No [68]
1st cytokinesis, 2nd mitotic division, synchronicity of 3rd/4th cells Polar body & Trophectoderm aCGH Eeva™ Yes [29]
Cleavage times until the 8cell stage, 2–3cell division, 3–4cell division, Day 3 FISH Embryoscope® No [12]
Shorter 5 to 8– cell division (3rd synchrongy division) Day 3 FISH Embryoscope® Yes [12]
"Optimal" timings of 2nd synchrony, time to 5-cell, 2nd cell cycle Day 3 FISH or aCGH Embryoscope® No [10]
Duration 1st and 2nd mitosis synchrony 2nd & 3rd cell cycle, blastulation duration, 2cell multinucleation Trophectoderm aCGH or SNP array Embryoscope® No [13]
Delayed compaction, cavitation, full blastocyst formation Trophectoderm aCGH or SNP array Embryoscope® Yes [14]
Early compaction Trophectoderm aCGH Embryoscope® Yes [52]
Syngamy, cavitation Trophectoderm aCGH Embryoscope® No [52]
First sign of fragmentation Trophectoderm aCGH Embryoscope® No [56]