1. Even let them tell the forbidden narrative of enjoying their Double-X Syndromes . 2. Proof-of-concept studies are currently underway in posttraumatic stress disorder and fragile X syndrome . 3. Triple X syndrome occurs in around 1 in 1, 000 girls. 4. Triple X syndrome can be diagnosed prenatally through amniocentesis or chorionic villus sampling. 5. A different mutation can lead to PPM-X syndrome which includes psychosis. 6. One example is fragile X syndrome , discussed under Autism # Causes. 7. This list includes : Cystic Fibrosis, Fragile X Syndrome , and spinal muscular atrophy. 8. It has also shown promising initial results in the treatment of fragile X syndrome . 9. By that time, Clapp had given birth to another child with Fragile X Syndrome . 10. Thus, triple X syndrome most often has only mild effects or has no effects. 
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