| Table 4. Clinical Pregnancy Rate (%) at the first ET according to age group. | |||
| Characteristic | Antagonist (n=110) | Progestin (n=112) | p-value |
| CPR | 50 (54.9%) | 59 (58.4%) | 0.735C |
| 18 to 34 years | 24 (54.5%) | 31 (60.8%) | 0.685C |
| 35 to 37 years | 14 (50.0%) | 15 (62.5%) | 0.532C |
| 38 to 40 years | 10 (66.7%) | 9 (56.2%) | 0.716F |
| 41 and 42 years | 2 (50.0%) | 4 (40.0%) | 1.000F |
C Chi-square test of independence
F Fisher’s exact test