| Clinical Pregnancy | No Clinical Pregnancy | P value |
---|---|---|---|
Number of patients | 275 | 110 | Â |
Female Age (years) | 29.71 ± 2.74 | 30.02 ± 2.71 | 0.322 |
Male Age (years) | 31.31 ± 3.58 | 31.34 ± 3.50 | 0.953 |
Female BMI (kg/m2) | 21.55 ± 2.51 | 21.43 ± 2.38 | 0.647 |
Infertility duration (years) | 3.34 ± 2.14 | 3.28 ± 2.13 | 0.776 |
bFSH | 7.72 ± 2.39 | 7.41 ± 2.06 | 0.229 |
Gn dosage (IU/L) | 2350.32 ± 650.17 | 2351.36 ± 615.55 | 0.988 |
Oocytes retrieved (n) Fertilization model (%) | 11.05 ± 3.94 | 11.04 ± 4.15 | 0.974 0.899 |
IVF | 226 (82.2) | 91 (82.7) | Â |
ICSI | 49 (17. 2) | 19 (17.3) | Â |
Endometrial thickness on ET day (cm) | 11.76 ± 6.28 | 11.04 ± 2.11 | 0.240 |
No. of embryos transferred, n (%) | Â | Â | 0.016* |
1 | 21/529 (4.0) | 17/203 (8.4) | Â |
2 | 508/529 (96.0) | 186/203 (91.6) | Â |
MII oocytes rate (%) | 88.48% (2689/3039) | 87.81% (1066/1214) | 0.537 |
2PN oocytes rate (%) | 69.32% (2054/2963) | 66.05% (782/1184) | 0.041* |
Cleavage rate of 2PN oocytes (%) | 98.20% (2017/2054) | 98.08% (767/782) | 0.836 |
Available embryo rate at Day 3 (%) | 82.44% (1663/2017) | 78.49% (602/767) | 0.016* |
High-quality embryo rate at Day 3 (%) | 27.12% (547/2107) | 27.77% (213/767) | 0.331 |
Blastocyst formation rate (%) | 66.71% (1118/1676) | 66.51% (419/630) | 0.928 |
High-quality embryo rate for transplantation | 41.97% (222/529) | 40.39% (82/203) | 0.699 |
Available blastocyst formation rate (%) | 48.45% (812/1676) | 48.73% (307/630) | 0.904 |
Day 5 available blastocyst formation rate (%) | 33.29% (558/1676) | 35.08% (221/630) | 0.419 |