Long story short: There are very few cases in history where two people with Down’s syndrome had married. If two such persons do end up conceiving and giving birth to a child, the baby would most likely also have Down’s syndrome. read more
"Both women and men with Down's syndrome can be fertile, although both sexes have a reduced fertility rate. They therefore need advice on, and access to, contraception. People with Down's syndrome need careful and sensitive advice about having children, as there are a number of issues to consider. read more