| PROH | 1,2-propanediol |
|---|---|
| Prolene | Polypropylene |
| PROM | Passive range of motion |
| PROM | Premature rupture of membranes |
| PROM | Premature rupture of the membranes |
| PROMM | Proximal myotonic myopathy |
| PROP | 6-n-Propyl-2-thiouracil |
| PROP | Propranolol |
| PROP-1 | Prophet of Pit-1 |
| proPO | Pro-phenoloxidase |