Table 2.
FET cycles comparing sub-endometrial waves and controls
| Waves | Control | P | |
|---|---|---|---|
| n | 172 | 239 | |
| Age at the OPU | 34.5 ± 3.8 | 35.1 ± 3.7 | NS |
| E2 levels at the triggering day | 10,307 ± 5998 | 11,777 ± 6282 | 0.03 |
| Eggs (n) | 17.5 ± 9 | 16.4 ± 6.7 | NS |
| M2 (n) | 14.4 ± 7.4 | 12.7 ± 5.7 | NS |
| Blastocysts (n) | 6.3 ± 5.1 | 5.2 ± 3 | 0.02 |
| Transfers in the past | 2.2 ± 1.7 | 1.6 ± 1.4 | < 0.001 |
| Age at transfer | 35.2 ± 3.7 | 35.1 ± 3.7 | NS |
| Endometrial thickness (mm) | 9.4 ± 2.5 | 9.3 ± 1.8 | NS |
| Number of embryos transferred | 1.1 ± 0.4 | 1.4 ± 1.3 | 0.002 |
| Pregnancy | 80/172 (46.5%) | 118/239 (49.3%) | NS |
| Clinical pregnancy | 62/172 (38.2%) | 106/239 (44.3%) | NS |
| Ongoing pregnancy | 53/172 (30.8%) | 81/239 (33.9%) | NS |