Table 2 Comparison between cycles resulted in live birth versus no live birth
|  | Live birth (n = 28) | No live birth (n = 723) | p |
|---|---|---|---|
Age (years), mean ± SD | 37.65 ± 4.81 | 40.37 ± 4.12 | 0.0006 |
BMI (kg/m2), mean ± SD | 25.13 ± 6.23 | 26.09 ± 6.16 | 0.467 |
Protocol | Â | Â | 0.147 |
  Antagonist, n (%) | 26 (92.9%) | 510 (70.5%) |  |
  MNC, n (%) | 2 (7.1%) | 153 (21.2%) |  |
  Short agonist, n (%) | 0 (0%) | 36 (5.0%) |  |
  Long agonist, n (%) | 0 (0%) | 24 (3.3%) |  |
Day-3 FSH (IU/L), mean ± SD | 12.05 ± 5.64 | 13.54 ± 10.82 | 0.552 |
Duration of stimulation (days), mean ± SD | 8.97 ± 2.63 | 9.12 ± 3.75 | 0.83 |
Total dose of gonadotropins (IU), mean ± SD | 3310.33 ± 1720.23 | 3987.13 ± 2420.71 | 0.136 |
No. of follicles ≥ 15 mm, mean ± SD | 1.79 ± 0.77 | 1.66 ± 0.75 | 0.364 |
Leading follicle size (mm), mean ± SD | 18.69 ± 1.95 | 18.24 ± 2.10 | 0.254 |
E2 level at the trigger day (pmol/L), mean ± SD | 1873.62 ± 806.21 | 1756.7 ± 1010.74 | 0.538 |
Trigger | Â | Â | 0.542 |
  hCG, n (%) | 19 (65.5%) | 511 (70.8%) |  |
  Dual trigger, n (%) | 10 (34.5%) | 211 (29.2%) |  |
No. of retrieved oocytes, mean ± SD | 2.14 ± 0.79 | 1.53 ± 0.98 | 0.001 |
Fertilization rate, mean ± SD | 0.80 ± 0.23 | 0.51 ± 0.43 | 0.0004 |
Top quality embryos, mean ± SD | 0.65 ± 0.55 | 0.34 ± 0.58 | 0.004 |
No. of embryos transferred |  |  |  < 0.001 |
  0, n (%) |  |  |  |
  1, n (%) | – | 341 (47.2%) |  |
  2, n (%) | 17 (60.7%) | 258 (35.7%) |  |
  3, n (%) | 11 (39.3%) | 114 (15.8%) |  |
|  | – | 10 (1.4%) |  |