| FBM | fetal breathing movements |
|---|---|
| FBS | fasting blood sugar; feedback system; fetal bovine serum |
| FCF | fetal cardiac frequency; fibroblast chemotactic factor |
| FCH | faculty contact hour; family case home; fetal cystic hygroma |
| FCS | faciocutaneoskeletal syndrome; fecal containment system; feedback control system; fetal calf serum; ... |