Timetable showing times of supplementation, sampling, and vision testing
| 15 weeks | 28 weeks | Birth* | 50 weeks PCA | 66 weeks PCA | |
|---|---|---|---|---|---|
| *Within first week of postnatal life. | |||||
| ▪ Mother; | |||||
| □ infant; | |||||
| ⋄ umbilical cord. | |||||
| PCA, Postconceptional age; VEP, visual evoked potential. | |||||
| Fatty acid supplements | ———Fish oil capsules——— | ||||
| . . . . . . . . . Placebo capsules . . . . | |||||
| Venous blood | ▪ | ▪ | ▪ | ||
| Umbilical cord blood | ⋄ | ||||
| Breast milk | ▪ | ▪ | ▪ | ||
| Flash VEP | □ | □ | □ | ||
| Pattern-reversal VEP | □ | □ | |||
| Anthropometry | ▪ | □ | □ | □ | |
| Diet assessement (fish intake) | ▪ | ▪ | ▪□ | ▪□ | ▪□ |