- Past obstetric history of the participants women.
| Variables | n | % |
|---|---|---|
| Parity | ||
| 1-3 | 53 | 53% |
| 4-6 | 38 | 38% |
| >6 | 9 | 9% |
| Age of mother at 1st labor: | ||
| 15-19 year (y) | 35 | 35% |
| 20-34 y | 64 | 64% |
| 35 y+ | 1 | 1% |
| Inter-pregnancy intervals: | ||
| primipara | 9 | 9% |
| 1y | 16 | 16% |
| 2-5 y | 65 | 65% |
| >5 y | 10 | 10% |
| Have you any menstrual irregularity? | ||
| Yes | 41 | 41% |
| No | 59 | 59% |