| FU | fecal urobilinogen; fetal urobilinogen; fluorouracil; follow-up; flux unit [ion]; fractional urinaly... |
|---|---|
| FVS | fetal valproate syndrome |
| HbF | fetal hemoglobin, hemoglobin F |
| HCF | [fetal] head-to-cervix force; heparin cofactor; hereditary capillary fragility; highest common facto... |
| HFDK | human fetal diploid kidney |