Table 3.
Frozen-thawed embryo replacement cycle characteristics
| Outcome variable | Progesterone N=51 | No progesterone N=51 | P value |
|---|---|---|---|
| Endometrial thickness (mm) | 8.7 ± 1.3 | 8.9 ± 1.4 | 0.64 |
| E2 on hCG day (pg/ml) | 208.4 ± 60.2 median: 200 | 196.9 ± 85.3 median: 170 | 0.11 |
| Progesterone on hCG day (ng/ml) | 0.77 ± 0.09 | 0.80 ± 0.07 | 0.08 |
| LH on hCG day (IU/L) | 4.9 ± 1.9 | 4.6 ± 1.7 | 0.39 |
| No. of days until hCG | 14.3 ± 1.8 | 13.7 ± 1.5 | 0.07 |
| No. of embryos transferred | 1.7 ± 0.5 median: 2 | 1.9 ± 0.5 median: 2 | 0.07 |
| Transfers with good quality embryos (%) | 54.9 | 60.8 | 0.54 |