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.
Knowledge center. Charcot-Marie-Tooth Disease (CMT) , also known as Chacot-Marie-Tooth hereditary neuropathy, peroneal muscular atrophy, and hereditary motor and sensory neuropathy, is a genetic disease of nerves, typically with progressive muscle weakness, particularly the arms and legs.