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Comparison of normal oocyte fertilization rate and cycle clinical pregnancy rate between the two groups (n = 40, (%)).
| Group | Normal fertilization rate | Interval clinical pregnancy rate |
|---|---|---|
| Observation group | 88.02 (742/843) | 88.10 (37/42) |
| Control group | 83.72 (679/811) | 69.05 (29/42) |
| Χ2 | 6.301 | 4.525 |
| P value | 0.012 | 0.033 |
