| Subject | Contents |
| Definition | A defect in the development of bone and cartilage, thought to be inherited. |
| Alternative Names | |
| Causes, incidence, and risk factors | Achondrogenesis is a rare type of dwarfism . It is usually fatal at birth or soon after. |
| Symptoms | very short trunk, arms, legs and neck head appears large in relation to the trunk small lower jaw narrow chest |
| Signs and tests | X-rays show characteristic bone abnormalities. |
| Treatment | No treatment is available. Genetic counseling may be appropriate. |
| Support Groups | |
| Expectations (prognosis) | The outcome is generally very poor. Many infants with achondrogenesis are stillborn or die shortly after birth because of breathing problems related to the abnormally small chest. |
| Complications | This condition is often fatal early in life. |
| Calling your health care provider | (This condition is often diagnosed on the first examination of an infant.) |
| Prevention | |
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