Table 5.
Comparison of data between pregnant group and non-pregnant group.
| Clinical parameters | Non-pregnant group(n = 209) | χ 2/t | P |
|---|---|---|---|
| The age of women | 32.2 ± 4.6 | -10.143 | <0.001 |
| The age of men | 33.3 ± 6.0 | -0.748 | 0.455 |
| Years of infertility | 4.7 ± 3.7 | -1.878 | 0.062 |
| BMI(kg/m2) | 22.4 ± 3.9 | 0.91 | 0.364 |
| Basic FSH(mIU/ml ) | 8.9 ± 3.5 | 0.687 | 0.492 |
| Basic LH(mIU/ml ) | 4.2 ± 4.3 | 0.034 | 0.973 |
| Basic E2(pg/ml ) | 181.8 ± 470.4 | 0.047 | 0.962 |
| Basic PRL | 14.1 ± 9.4 | 0.561 | 0.575 |
| Basic T | 49.1 ± 23.2 | 0.451 | 0.652 |
| Basic P | 1.5 ± 3.7 | 1.148 | 0.252 |
| AMH(ng/ml ) | 5.1 ± 4.2 | 1.078 | 0.282 |
| Intimal thickness(mm) | 6.3 ± 2.6 | 1.387 | 0.167 |
| Number of eggs obtained (pieces) | 9.2 ± 4.5 | 6.514 | 0.001 |
| The total of Gn | 2644.5 ± 960.5 | -0.094 | 0.925 |
| The total days of Gn | 11.1 ± 2.1 | 0.736 | 0.463 |
| Number of embryos transferred (pieces) | 1.7 ± 0.5 | 5.292 | 0.012 |
| Number of MII (pieces) | 8.4 ± 4.4 | 0.463 | 0.644 |
| Rate of obtaining mature eggs % | 90.8 ± 0.1 | -0.304 | 0.761 |
BMI, body mass index; FSH, follicle stimulating hormone; LH, luteinizing hormone E2, estradiol; AMH, Anti-Mullerian hormone; Gn, gonadotropins.