Table 2 Pregnancy outcomes by single blastocyst and single cleavage
Pregnancy outcomes | Single blastocyst (n = 1138) | Single cleavage (n = 1925) | OR (95% CI) | P value |
|---|---|---|---|---|
Clinical pregnancy rate | 489 (43%) | 526 (27%) | 2.03 (1.72, 2.41)a | < 0.0001 |
Live birth rate | 398 (35%) | 439 (23%) | 1.86 (1.55, 2.22)a | < 0.0001 |
Miscarriage rate | 84 (17%) | 84 (16%) | 1.10 (0.76, 1.59)a | 0.60 |
Total number of cycles with heart beats | 456 | 493 | – | |
Singleton rate | 443 (97%) | 487 (99%) | 0.42 (0.16, 1.11)b | 0.08 |
Twins rate | 13 (3%) | 5 (1%) | 2.86 (1.01, 8.10)b | 0.05 |
Triplets | 0 | 1 | – | |
Quadruplets | 0 | 0 | – |