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 (CMT) disease affects one in 2,500 people and is one of the most common inherited neurological disorders. The disease was named in 1886 after the three physicians who first described it, Jean Marie Charcot and Pierre Marie in France and Howard Tooth in England. CMT is an inherited genetic disease.