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Significant predictors of clinical pregnancy by multiple logistic regression.
| Adjusted OR (b) | CI 95% | P value | |
| Type of protocol | |||
| Agonist (a) | 1 | .045 | |
| Antagonist | 0.561 | 0.318 – 0.988 | |
| Number of attempts | 0.635 | 0.430 – 0.936 | .022 |
| Endometrial thickness (mm) | 1.209 | 1.010 – 1.447 | .039 |
| (Female age/10)3 | 1.677 | 1.058 – 2.657 | .028 |
| (Female age/10)3 × ln (Female age/10) | 0.701 | 0.518 – 0.948 | .021 |
(a) Reference category. (b) Odds Ratios < 1 are associated with decreased probability of pregnancy.
