Stroke Risks for Kids. The National Stroke Association reports that stroke remains among the top ten causes of death in children. The following are risk factors for stroke among youths: heart defects present at birth, sickle-cell disease, immune disorders, diseases of the arteries, abnormal blood clotting, head or neck trauma, mother’s history of infertility, infection in the amniotic fluid, and pregnancy-related high blood pressure in the mother. National Stroke Association, January 2019