Table 42-8.
| Table 42-8. Characteristic endocrine profiles in infertile men. | ||||
| Condition | T | FSH | LH | PRL |
| Normal | NL | NL | NL | NL |
| Primary testis failure | Low | High | NL/High | NL |
| Hypogonadotropic hypogonadism | Low | Low | Low | NL |
| Hyperprolactinemia | Low | Low/NL | Low | High |
| Androgen resistance | High | High | High | NL |
| T, testosterone; FSH, follicle-stimulating hormone; LH, luteinizing hormone; PRL, prolactin; NL, normal. | ||||