Time points for the measures
| Measure | Pregnancy | Post partum | ||
| 12 weeks | 20 weeks | 28 weeks | 10 weeks | |
| Blood samples (thyroid function parameters, hCG) | X | X | X | |
| Questionnaires | X | X | X | X |
| Baseline characteristics (age, marital status, education level, etc) | X | |||
| Obstetric variables | X | X | X | X |
| Depressive symptoms (EDS) | X | X | X | X |
| Pregnancy distress (TDPS) | X | X | X | |
| Mindfulness (non-reacting subscale of TFMQ) | X | |||
| Personality (BFI-2S) | X | |||
| OCPD (symptom checklist) | X | |||
| Attachment style (ECR-SF) | X | |||
| Bonding (PPBS) | X | X | ||
| Partner relationship quality (DAS, PRS) | X | X | X | X |
| Employee well-being and performance (UBOS, VBBA V.2.0) | X | X | ||
BFI, Big Five Inventory; DAS, Dyadic Adjustment Scale; ECR-SF, Experiences in Close Relationships Scale Short Form; EDS, Edinburgh Depression Scale; hCG, human chorionic gonadotrophin; OCPD, obsessive–compulsive personality disorder; PPBS, Postnatal Bonding Scale; PRS, Partner Responsiveness Scale ; TDPS, Tilburg Pregnancy Distress Scale; TFMQ, Three Facet Mindfulness Questionnaire; UBOS, Utrecht Burnout Scale; VBBA, Vragenlijst Beleving en Beoordeling van de Arbeid.