| Doses (mg/kg b.wt) | ||
| Parameters | Parturition at day 18 | |
| Control | 400 | |
| Number of live fetus | 9.0 ± 0.31 | 3.6 ± 1.03*** |
| Number of dead fetus | 0 | 1.2 ± 0.8 |
| Survival ratio (%) | 100 | 75 |
| Vaginal bleeding (%) | 0 | 20 |