History of embryo transfer treatment | Clinical characteristics | Outcome of embryo transfer | P value | |||
---|---|---|---|---|---|---|
Failure | Pregnancy | |||||
n | Mean ± SD | n | Mean ± SD | |||
1st time | Age (years) | 53 | 33.8 ± 0.73 | 50 | 31.0 ± 0.57 | 0.0040 |
Number of transferred embryo | 1.98 ± 0.6312 | 1.98 ± 0.3488 | 0.9788 | |||
Infertility duration (years) | 5.74 ± 0.69 | 4.89 ± 0.50 | 0.3234 | |||
BMI (kg/m2) | 22.1 ± 0.48 | 21.9 ± 0.32 | 0.7683 | |||
FSH (mIU/ml) | 7.49 ± 0.43 | 8.14 ± 0.43 | 0.2831 | |||
LH (mIU/ml) | 3.85 ± 0.32 | 4.37 ± 0.44 | 0.3418 | |||
2nd–4th time | Age (years) | 21 | 31.2 ± 0.77 | 22 | 31.6 ± 1.15 | 0.8275 |
Number of transferred embryo | 1.95 ± 0.47 | 1.86 ± 0.99 | 0.4334 | |||
Infertility duration (years) | 3.95 ± 0.63 | 5.91 ± 0.82 | 0.0670 | |||
BMI (kg/m2) | 21.4 ± 0.51 | 22.4 ± 0.50 | 0.1875 | |||
FSH (mIU/ml) | 6.74 ± 0.41 | 6.45 ± 0.38 | 0.6063 | |||
LH (mIU/ml) | 3.92 ± 0.68 | 5.32 ± 0.78 | 0.1864 | |||
Total | Age (years) | 74 | 31.0 ± 0.59 | 72 | 32.5 ± 0.58 | 0.6326 |
Number of transferred embryo | 1.99 ± 0.45 | 1.93 ± 0.46 | 0.3360 | |||
Infertility duration (years) | 4.93 ± 0.43 | 5.41 ± 0.54 | 0.4898 | |||
BMI (kg/m2) | 22.0 ± 0.29 | 22.0 ± 0.36 | 0.9880 | |||
FSH (mIU/ml) | 7.50 ± 0.37 | 7.50 ± 0.31 | 0.9936 | |||
LH (mIU/ml) | 3.95 ± 0.36 | 4.44 ± 0.32 | 0.2989 |