| pregnancy outcome | folate group | Methylfolate group | P-value | ||
| No. | % | No. | % | ||
| Abortion | 27 | 54.0 | 8 | 16.0 | 0.001* |
| Preterm labor | 12 | 24.0 | 12 | 24.0 | |
| continued till full term | 11 | 22.0 | 30 | 60.0 | |