| UG | Unleaded gasoline |
|---|---|
| UG | Uteroglobin |
| UGCR | Ultrasound-guided compression repair |
| UGH | Urinary growth hormone |
| UGI | Upper gastrointestinal |
| Ugi | Uracil-DNA glycosylase inhibitor |
| UGIB | Upper gastrointestinal bleeding |
| UGIH | Upper gastrointestinal hemorrhage |
| UGM | Urogenital sinus mesenchyme |
| UGP | Urinary gonadotrophin peptide |