| LUF syndrome | Lutenized Unruptured Follicle syndrome |
|---|---|
| FRF | Fertility Research Foundation; follicle-stimulating hormone-releasing factor |
| FRH | follicle-stimulating hormone-releasing hormone |
| FRP | follicle-stimulating hormone releasing protein; functional refractory period |
| FSH | fascioscapulohumeral; focal and segmental hyalinosis; follicle-stimulating hormone |