Fragile X Explained: Carrier Screening, Risk Assessment, and What the Results Really Mean

Fragile X syndrome is one of the most common inherited causes of intellectual disability — yet it’s also one of the most complex genetic conditions to understand.In this episode, Associate Professor Ali Archibald explains Fragile X in clear, practical terms, unpacking how the condition is inherited, what carrier screening looks for, and why results can vary so widely between individuals and families.The conversation covers:What Fragile X syndrome is and how it affects developmentThe difference between being a carrier and having the conditionCGG repeat numbers, premutations, and why “risk” is not one-size-fits-allThe role of AGG interrupts in refining risk assessmentWhy Fragile X carrier results require specialist genetic counsellingHow clinicians help people move from a result to informed next stepsThis episode highlights why Fragile X screening sits outside routine primary care conversations, and why time, expertise, and careful explanation are essential for people to feel informed rather than overwhelmed.This episode is relevant for clinicians, prospective parents, and anyone navigating reproductive carrier screening or Fragile X results.