| Abbreviations | Meaning |
 | SCDA | Right Scapuloanterior [fetal Position, Lat. Scapulodextra Anterior] |
 | HFDL | Human Fetal Diploid Lung |
 | HBF | Fetal Hemoglobin, Hemoglobin F |
 | FECG | Fetal Electrocardiogram |
 | MLP | Left Mentoposterior [fetal Position] |
 | HG-F | Fetal Hemoglobin |
 | RSA | Right Sacroanterior (fetal Position) |
 | HIFCS | Heat-inactivated Fetal Calf Serum |
 | FBM | Felbamate; Fetal Breathing Movements; Fractional Or Fractal Brownian Motion; Fresh Bone Marrow |
 | FCS | Faciocutaneoskeletal Syndrome; Fecal Containment System; Feedback Control System; Fetal Calf Serum; Foot Compartment Syndrome |
 | LFT | Left Fronto-transverse [fetal Position] |
 | ROA | Regurgitant Orifice Area; Right Occipitoanterior [fetal Position] |
 | FE | Fetal Erythrocyte |
 | OLP | Left Occipitoposterior [fetal Position, Lat. Occipito-laeva Posterior] |
 | LFA | Left Fronto-anterior [fetal Position] |