| MCH | Maternal and Child Health; mean corpuscular hemoglobin; muscle contraction headache |
|---|---|
| MIH | Master of Industrial Health; migraine with interval headache; minimal intermittent heparin [dose] |
| OFHA | occipitofrontal headache |
| PDPH | postdural puncture headache |
| PLPH | post-lumbar puncture headache |