A mum has shared her fear after her nine-month-old was handed a rare diagnosis with him being "only child in the world" with condition.
Clare Done is mum of son Buddy, who was aged just nine-months-old when she noticed her son was failing to reach milestones including sitting up by himself.
But nothing could prepare the 33-year-old mum for what was to come when Buddy was taken to hospital for a check and MRI scan.
