Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile? Is your son still fertile?