| BMI | Body Mass Index |
| DASH | Dietary Approaches to Stop Hypertension |
| ECLIPSES | Ensayo CLInico Para Suplementar con hierro a EmbarazadaS |
| FFQ | Food Frequency Questionnaire |
| MedDiet | Mediterranean Diet |
| rMedDiet | Relative Mediterranean Diet |
| SGA | Small for Gestational Age |
| TEI | Total Energy Intake |
| WHO | World Health Organization |