| F/A | fetus active |
|---|---|
| FDA | fluorescein diacetate; Food and Drug Administration; right frontoanterior [position of the fetus] |
| FDM | fetus of diabetic mother; fibrous dysplasia of the mandible |
| FDP | fibrin degradation product; fibrinogen degradation product; flexor digitorum profundus; frontodextra... |
| FDT | frontodextra transversa [position of fetus] |