| AFC | Antibody-forming cell |
|---|---|
| AFD | Appropriate for Date |
| AFD | Average-for-dates |
| AFDC | Aid to Families With Dependent Children |
| AFE | Amniotic fluid embolism |
| AFF | atrial filling fraction |
| aFGF | Acidic FGF |
| aFGF | Acidic Fibroblast Growth Factor |
| AFGP | Antifreeze glycoproteins |
| AFI | Amniotic Fluid Index |