| CNB | cutting needle biopsy |
|---|---|
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| ELF | elective low forceps; extremely low frequency |
| FACH | forceps to after-coming head |
| FD | familial dysautonomia; family doctor; fan douche; fatal dose; fetal danger; fibrin derivative; fibro... |