| Abbreviation | Definition |
|---|---|
| HF | human factor |
| HF | human fibroblast |
| HF | humidifier lung |
| HF | hydatid fluid |
| HF | hydrops fetalis |
| HF | hyperfractionated |
| HF | hypoxic fraction |
| HFEA | Human Fertilisation and Embryology Authority |
| HG | haemoglobin; Hb is generally preferred |
| HG | haplogroup |
| HG | haptoglobin |
| HG | Hazard Grade |
| HG | healthy group |
| HG | herpes gestationis |
| HG | high growth |
| HG | highly gifted |
| HG | histologic grade |
| HG | human gonadotropin |
| HG | human growth |
| HG | hypoglossal |