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Table 2 Embryo scores and mean numbers of blastomeres of the early-cleavage and late-cleavage subgroups in the agonist group.

From: Early-cleavage is a reliable predictor for embryo implantation in the GnRH agonist protocols but not in the GnRH antagonist protocols

  Early-cleavage subgroup Late-cleavage subgroup P value
Day 2 embryo score 1.8 ± 0.03 2.1 ± 0.03 < 0.0001
No. of day 2 blastomeres 4.0 ± 0.04 3.17 ± 0.04 < 0.0001
Day 3 embryo score 1.9 ± 0.03 2.5 ± 0.03 < 0.0001
No. of day 3 blastomeres 7.28 ± 0.06 6.16 ± 0.06 < 0.0001
Pregnancy rate (%) 116/216 (53.7) 39/115 (33.9) < 0.0001
  1. Note: Values are the mean ± SEM.