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Primary cause of infertility.
| r-FSH +hp-hMG (Group I) | hp-Hmg (Group II) | Fixed-dose r-FSH (Group III) | r-FSH dose-adjusted (Group IV) | |
|---|---|---|---|---|
| Male factor (%) | 72.5 | 70.5 | 64.4 | 68.0 |
| Tubal lesion (%) | 17.7 | 8.2 | 13.6 | 9.4 |
| Other (%) | 9.8 | 21.3 | 22.0 | 22.6 |
Abbreviations: r-FSH, recombinant FSH; hp-hMG, highly purified hMG.
