| Abbreviations | Meaning |
 | FHR | Familial Hypophosphatemic Rickets; Fetal Heart Rate |
 | HG-F | Fetal Hemoglobin |
 | EF | Erythroblastosis Fetalis |
 | RST | Right Sacrotransverse [fetal Position] |
 | HIFBS | Heat-inactivated Fetal Bovine Serum |
 | FU | Fecal Urobilinogen; Fetal Urobilinogen; Fluorouracil; Flux Unit [ion]; Follow-up; Fractional Urinalysis; Fundus |
 | FH | Fetal Head |
 | MA | Mentum Anterior [fetal Position] |
 | LFP | Left Frontoposterior [fetal Position] |
 | RFP | Rapid Filling Period; Recurrent Facial Paralysis; Request For Proposal; Right Frontoposterior [fetal Position] |
 | FHS | Fetal Heart Sound |
 | HFDK | Human Fetal Diploid Kidney |
 | SLA | Left Sacroanterior (fetal Position) (Lat.sacrolaeva Anterior) |
 | HIFCS | Heat-inactivated Fetal Calf Serum |
 | FHS | Fetal Heart Sounds |