| Table 2. Comparison of laboratory results between the study groups | |||
| BMI | Normal | Overweight | Obesity |
| Oocytes | 403 | 593 | 269 |
| Fertilized oocytes (%) | 353 (87.6) | 506 (85.3) | 228 (84.8) |
| Cleaved embryo Day 3 (%) | 343 (97.2) | 504 (99.6) | 225 (98.7) |
| No. cell/embryo Day 3 (Mean ± SD) | 7.3±0.75 | 7.0±0.81* | 6.9±1.04* |
| Good-quality embryos Day 3 (%) | 83.7 | 84.9 | 79.1 |
| Blastocyst formation rate (%) | 47.8 | 42.9* | 42.7* |
| Good-quality blastocysts (%) | 90.2 | 88.9 | 90.6 |
| Embryo transferred (Mean ± SD) | 104 (1.86±0.38) | 155 (1.89±0.31) | 66 (1.89±0.32) |
| Gestational sacs | 59 | 56 | 19 |
| Implantation rate (%) | 56.7 | 36.1* | 28.8*,** |
| No. oocytes / gestational sac | 6.8 | 10.6* | 14.2*,** |
| Miscarriage (%) | 10.2 | 8.9 | 10.5 |
| p<0.05 in relation to normal group p<0.05 in relation to overweight group |
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