| L/S ratio | Lecithin/Sphingomyelin > 2이나 IRDS가 오는 경우 1. DM Mother ... |
|---|---|
| DFU | dead fetus in utero; dideoxyfluorouridine |
| 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 |