|
| URSA组 | 对照组 |
| 样本量 | 34 | 42 |
| 年龄(岁) | 31.2 ± 2.5 | 32.1 ± 2.0 |
| 孕周 | 8.4 ± 0.7 | 8.1 ± 0.7 |
| BMI (kg/m2) | 23.2 ± 2.4 | 24.4 ± 2.5 |
| 先前怀孕次数 | 3.5 ± 0.8 | 0 |
| 先前流产孕周 | 8.5 ± 1.5 | 0 |