Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Fragile X syndrome ?
    ### Response:
    Is genetic testing available for fragile X syndrome? Yes, genetic testing is available for fragile X syndrome. Carrier testing for at-risk relatives and prenatal testing for pregnancies at increased risk are possible if the diagnosis of an FMR1-related disorder (including fragile X syndrome) has been confirmed in a family member.
    