Parameter | Synchronized | Unsynchronized | Mixed | Group comparison | Association with pregnancy |
Rate of cycles with full blastomere survival | 62.7% | 43.8% | 38.3% | P < 0.0001 a (S vs U) P < 0.001 (S vs M) P < 0.0001 (U vs M) NS | NS |
Blasatomere survival rate (%) | 91.5 ± 31.5 | 80.2 ± 26.3 | 81.1 ± 29.7 | P < 0.001 b (S vs U) P < 0.002 (S vs M) P < 0.001 (U vs M) NS | NS |
Blasatomere survival rate (%) 2 days | 90.9 ± 31.4 | 87.2 ± 27.5 | 83.5 ± 31.4 | NS |
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Blasatomere survival rate (%) 3 days | 96.5 ± 32.4 | 79.6 ± 26.2 | 75.8 ± 24.8 | P < 0.034 (S vs U) P < 0.042 c (S vs M) P < 0.01 (U vs M) NS |
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Rate of cycles with full embryos survival rate (%) | 57.3% | 47.7% | 41.4% | P < 0.004 d (S vs U) P < 0.07 (S vs M) P < 0.001 (U vs M) NS | NS |
Embryo survival rate (%) | 80.9 ± 23.8 | 77.8 ± 23.4 | 75.0 ± 23.8 | P < 0.038 e (S vs U) NS (S vs M) P < 0.01 (U vs M) NS | NS |
Embryo survival rate (%) 2 days | 81.0 ± 23.9 | 81.6 ± 24.1 | 75.2 ± 24.0 | NS |
|
Embryo survival rate (%) 3 days | 78.9 ± 23.5 | 77.5 ± 23.4 | 74.4 ± 23.5 | NS |
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Rate of cycles with at least one surviving embryo (%) | 91.8% (225) | 87.8% (130) | 89.4% (203) | NS |
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