| Number of patients randomized | 296 | 294 | 291 | 295 |
| Number of available biopsies | 247 | 249 | 251 | 241 |
| Number normal | 189 (76.5) | 246 (98.8) | 250 (99.6) | 240 (99.6) |
| Number with disordered proliferative phase | 21 (8.5) | 1 (0.4) | 0 (0.0) | 0 (0.0) |
| Number with endometrial hyperplasia | 36 (14.6) | 2 (0.8) | 1 (0.4) | 1 (0.4) |
| Simple without atypia | 30 (12.2) | 1 (0.4) | 0 (0.0) | 1 (0.4) |
| Complex without atypia | 4 (1.6) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Simple with atypia | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Complex with atypia | 2 (0.8) | 1 (0.4) | 1 (0.4) | 0 (0.0) |
| Number with carcinoma | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Number with other conditions | 1 (0.4)* | 0 (0.0) | 0 (0.0) | 0 (0.0) |