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Table 4 Kinetics in implanting (KID+) versus non-implanting (KID-) embryos selected for day 5 transfer

From: Analysis of embryo morphokinetics, multinucleation and cleavage anomalies using continuous time-lapse monitoring in blastocyst transfer cycles

  KID + implanting mean ± SD KID - non-implanting mean ± SD p
tPNf 24.1 ± 2.5 26.2 ± 2.7 0.001
t2 26.8 ± 3.8 28.5 ± 4.2 0.02
t3 36.5 ± 4.7 40.1 ± 6.8 0.004
t4 39.3 ± 3.7 42.6 ± 7.5 ns
t5 51.0 ± 4.8 54.0 ± 6.2 0.02
t8 59.6 ± 9.1 63.9 ± 9.8 0.02
t9+ 72.3 ± 11.7 75.2 ± 10.3 ns
tMor 90.5 ± 8.9 95.6 ± 10.6 ns
tSB 98.1 ± 7.0 99.3 ± 8.6 ns
tBL 102.9 ± 6.8 105.7 ± 6.2 ns
tEBL 109.9 ± 6.4 109.8 ± 5.1 ns
cc2 (t3-t2) 9.7 ± 4.0 11.6 ± 5.5 ns
cc3 (t5-t3) 14.5 ± 4.1 13.9 ± 6.5 ns
s1 (t2-tPNf) 3.2 ± 3.9 2.3 ± 2.3 0.04
s2 (t4-t3) 2.8 ± 4.4 2.6 ± 6.7 ns
s3 (t8-t5) 8.7 ± 7.5 10.3 ± 8.2 ns
t4int (t5-t4) 11.7 ± 3.6 11.7 ± 5.6 ns
t5-t2 24.2 ± 4.1 25.9 ± 6.0 0.03
  1. Comparison of kinetics in KID + and KID– transfers. Implanting and non-implanting blastocysts showed significant differences in early but not late kinetic parameters. P values <0.05 were considered to be significant.