| UPI | Utero-Placental Insufficiency |
|---|---|
| UPI | uteroplacental insufficiency; uteroplacental ischemia |
| UPIN | universal physician identifier number [HCFA] |
| UPJ | Uretero-Pelvic Junction |
| UPJ | ureteropelvic junction |
| UPL | unusual position of limbs |
| UPP | Urethral Pressure Profile; 요도 내압 |
| UPP | urethral pressure profile |
| UPPP | Uvulo-Palato-Pharyngo-Plasty |
| UPPP | uvulopalatopharyngoplasty |