These conditions are common enough that they need not be revealed as something disturbing. Every person is different, and an X or Y variation is just one more way human beings are shown to be unique. However, before disclosing a diagnosis to relatives such as grandparents, siblings and others, it may pay to be patient. You may wish to consult with a genetic counselor or trusted, informed advisor about what to say and when to say it. It is reasonable to wait with a prenatal diagnosis until your child shows some symptoms associated with the condition, such as developmental delay or learning difficulty. It is well-known that such delays vary greatly with the different conditions and among different individuals. For a more extensive discussion on this matter extending further into your child’s life, scroll to the bottom of this site’s Frequently Asked Questions page.