Noun
fragile X (uncountable)
(informal) Short for fragile X syndrome.
fragile-x
Furthermore, syndromes such as Down’s syndrome, Cowden syndrome, Fragile X, Pader-Willi and Angelman syndrome have been reported to augment the occurrence of breast cancer. Source: Internet
The caregiver-administered assessments showed a placebo response as seen with previous Fragile X syndrome trials. Source: Internet