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.
Help us find the genes that cause Tourette Syndrome. We are members of the Tourette Syndrome Association International Consortium for Genetics (TSAICG). The TSAICG is a group of clinicians and scientists who have been working together, trying to find genes that cause Tourette Syndrome (TS).