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Comparison of outcomes between 1-day and 5-day letrozole groups, with and without gonadotropins.
| Variable | Without GND |
With GND |
||||
|---|---|---|---|---|---|---|
| 1-Day, % | 5-Day, % | P value | 1-Day, % | 5-Day, % | P value | |
| Pregnancy rate | 14.2 | 11.6 | .030 | 18.3 | 23.8 | .430 |
| Live birth rate | 9.6 | 7 | .263 | 11.72 | 17.86 | .266 |
| Miscarriage rate | 16.22 | 13.79 | 1.000 | 13.64 | 5.56 | .622 |
| Twins | 16.22 | 13.79 | 1.000 | 8.7 | 5.56 | 1.000 |
| Cycle cancelled | 3.9 | 9.6 | .007 | 17.39 | 23.75 | .355 |
Note: GND = gonadotropins.
