| FRh | fetal rhesus monkey kidney [cell] |
|---|---|
| FSB | fetal scalp blood |
| FTS | family tracking system; feminizing testis syndrome; fetal tobacco syndrome; fissured tongue syndrome... |
| FU | fecal urobilinogen; fetal urobilinogen; fluorouracil; follow-up; flux unit [ion]; fractional urinaly... |
| FVS | fetal valproate syndrome |