| FHL | flexor hallucis longus; functional hearing loss |
|---|---|
| FHM | Fetal Heart Movement |
| FHM | familial hemiplegic migraine; fathead minnow [cells] |
| FHN | family history negative |
| FHNH | fetal heart not heard |
| FHP | family history positive |
| FHR | Fetal Heart Rate |
| FHR | familial hypophosphatemic rickets; fetal heart rate |
| FHRNST | fetal heart rate nonstress test |
| FHS | fetal heart sound; fetal hydantoin syndrome; Floating Harbor syndrome |