| DHA | Docosahexaenoic acid |
| ARA | Arachidonic acid |
| BSID | Bayley Scales of Infant and Toddler Development |
| MDI | Mental Development Index |
| PDI | Psychomotor Development Index |
| DQ | Developmental quotient |
| RCT | Randomized clinical trial |
| CI | Confidence interval |
| WMD | Weighted mean difference |
| SMD | Standardized mean difference |
| LCPUFAs | Long-chain polyunsaturated fatty acids |