Table II.
Effect of sildenafil citrate on long cycle, progesterone, estrogen, estrogen/ progesterone and LH on progesterone day, endometrial thickness, and implantation rate
| Variable | Control group (mean) | Sildenafil citrate group (mean) | p-value |
|---|---|---|---|
| Duration cycle ( days) | 13.375 | 12.125 | <0.0001 |
| Progesterone on progesterone day (ng/mL) | 0.88 | 1.12 | <0.0001 |
| Estrogen on progesterone day (pg/mL) | 984.5 | 643.5 | <0.0001 |
| Estrogen/ progesterone on progesterone day | 0.9 | 0.73 | <0.0001 |
| LH on progesterone day (IU/L) | 1.13 | 1.1 | 0.98 |
| Endometrial thickness (mm) | 8.0 | 9.8 | <0.0001 |
| Implantation rate (%) | 8.75 | 14.16 | 0.22 |