DWARFISM

Achondroplasia is the commonest cause of dwarfism. It is a genetic disorder due to a dominant gene.

The children of a sufferer will have one chance in two of being affected. If both parents are achondro-plasiacs, all the children will be affected.

However mutations may occur in the genes and so a sufferer may appear in a family without history of this abnormality.

The problem involves the bones, particularly the long bones which are shortened and the typical achondroplasiac dwarf has short arms and legs, a normal trunk and a large head.

The condition can usually be recognised at birth. These children develop normally with strong muscles. Mental and sexual development are normal

Achondroplasiac women, should they become pregnant, will require caesarian section for delivery of the baby as the pelvic bones are too narrow to allow normal birth.

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