| Uterine size (weeks) | Number of patients | Percentage |
| <12 | 9 | 4.4 |
| 12 - 14 | 47 | 23.6 |
| 15 - 17 | 38 | 19.2 |
| 18 - 20 | 62 | 31.3 |
| >20 | 43 | 21.5 |
| Total | 198 | 100 |