| Obstetrical history | Frequency | Percentage (%) |
| Use birth control pills | 97 | 50.8 |
| Use estrogen replacement therapy | 28 | 14.7 |
| Birth given | 167 | 87.4 |
| Number of births |
|
|
| One Two Three Four Five | 42 45 39 17 7 | 22.0 23.6 20.4 8.9 3.7 |