| Number of past childbirth | Number of patients | Percentage |
| 0 | 4 | 6.8% |
| 1 | 8 | 13.6% |
| 2 - 4 | 6 | 10.2% |
| 5 - 6 | 18 | 30.6% |
| 7 and more | 23 | 38.8% |
| Total | 59 | 100% |