| AGA | Appropriate for gestational age |
| BPD | Bronchopulmonary dysplasia |
| CRIB | Clinical Risk Index for Babies |
| CRP | C-reactive protein |
| DBS | Dried blood spot |
| GA | Gestational age |
| IL | Interleukin |
| PDA | Patent ductus arteriosus |
| PMA | Postmenstrual age |
| PN | Parenteral nutrition |
| RCT | Randomized controlled trial |
| RBP4 | Retinol-binding protein 4 |
| SGA | Small for gestational age |
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