Table 1.
Comparison between the group with early pregnancy loss (EPL-group) and that with ongoing pregnancy (OP-group)
| EPL-group | OP-group | p values | |
|---|---|---|---|
| Age (years) | 30.5 ± 5.9 | 30.7 ± 7.6 | ns |
| # of IVF cycle attempt | 3.4 + 2.9 | 2.6 + 2.2 | ns |
| Serum estradiol level on day of hCG administration (pg/mL) | 2042 + 1051 | 2156 + 1114 | ns |
| Serum progesterone level on day of hCG administration (ng/mL) | 0.81 + 0.42 | 0.88 + 0.69 | ns |
| Gestational age on day of 3-D US (days) | 30.5 ± 2.3 | 30.4 ± 1.6 | ns |
| HCG levels on day of 3-D US (IU/L) | 176 ± 148 | 371 ± 306 | ns |
| (range) | (24–550) | (54–977) | |
| 2-D US measurement of endometrial thickness (mm) | 10.7 ± 4.4 | 12.6 ± 4.5 | ns |
| 3-D US measurement of endometrial volume (mL) | 5.7 ± 5.6 | 8.0 ± 7.7 | ns |