| OCM | oral contraceptive medication |
|---|---|
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| SOC | sequential oral contraceptive; Standard Occupational Classification; standards of care; synovial ost... |