Perinatal. Referring to the period of time surrounding an infant's birth, from the last two months of pregnancy to the first 28 days of life. The TORCH panel tests for perinatal infections.
1 CMT1 is commonly caused by a duplication of a gene on chromosome 17. This gene controls the production of your nervesâ protective myelin sheath. CMT1 is also caused by other gene defects.  CMT2 results from a defect in your peripheral nerve cellsâ axon. This is caused by a defect in your mitofusin 2 gene.
Charcot-Marie-Tooth Disease affects the nerves outside the spinal cord and brain. People with the condition can have problems with their feet and trouble balancing. Three doctors -- Jean-Martin Charcot, Pierre Marie and Howard Henry Tooth â identified a nerve disease back in 1886. Today, a whole group of genetic disorders is named after that trio. Other names it is known by are hereditary motor and sensory neuropathy and peroneal muscular atrophy. Researchers have found 90 genetic types of CMT disease.