Table 1.
Comparison of baseline and cycle characteristics
| Single FBT | Double FBT | p value | |
|---|---|---|---|
| Number of FBT cycles | 118 | 125 | |
| Mean age at freezing, years ± SEM (95% CI) | 32.7 ± 0.4 (32.0–33.5) | 31.8 ± 0.5 (31.1–32.6) | 0.05 |
| Basal FSH, U/mL ± SEM (95% CI) | 8.6 ± 0.9 (6.5–10.8) | 9.0 ± 0.9 (6.9–11.2) | 0.19 |
| Basal E2, pg/mL ± SEM (95% CI) | 43.5 ± 2.2 (38.7–48.3) | 44.4 ± 2.1 (39.5–49.2) | 0.18 |
| Live birth after fresh IVF cycle,% (95% CI) | 37.9 (28.3–48.4) | 24.8 (17.2–34.3) | 0.06 |
| # of oocytes retrieved during fresh cycle ± SEM (95% CI) | 12.8 ± 0.4 (11.9–13.7) | 14.1 ± 0.4 (13.2–15.0) | 0.04 |
| # of oocytes fertilized normally during fresh cycle ± SEM (95% CI) | 8.4 ± 0.3 (7.8–9.0) | 9.7 ± 0.4 (9.1–10.3) | 0.003 |