| Stage | VAS at 3 months postpartum | |
| VAS | 1st trimester | 0.410** |
| 2nd trimester | 0.298* | |
| 3rd trimester | 0.146 | |
| 1 week postpartum | −0.028 | |
| 1 month postpartum | 0.476** | |
| PMI | 1st trimester | 0.428** |
| 2nd trimester | 0.198 | |
| 3rd trimester | 0.084 | |
| 1 week postpartum | 0.099 | |
| 1 month postpartum | 0.353** | |
| 3 months postpartum | 0.766** | |
| EPDS | 1st trimester | −0.027 |
| 2nd trimester | −0.146 | |
| 3rd trimester | −0.132 | |
| 1 week postpartum | −0.222 | |
| 1 month postpartum | −0.219 | |
| 3 months postpartum | −0.179 |