Progeria also known as Hutchinson-Gilford syndrome, is an extremely rare, progressive genetic disorder that causes children to age rapidly, starting in their first two years of life. progeriais an extremely rare genetic disorder, it is one of several progeroid syndromes.Children with progeria generally appear normal at birth. Amid the first year, signs and side effects, for example, such as slow growth and hair loss, begin to appear. The disorder has a low incidence rate, happening in an expected 1 for every 8 million live births. Those conceived with progeria commonly live to their mid youngsters to mid-twenties.