Toddler, 20 months, becomes youngest child in the world to receive blood from her own UMBILICAL CORD to stop diabetes – after it was stored to treat her sister for the same disease A Sydney toddler whose umbilical cord blood was stored to help treat her sister’s Type 1 diabetes has had it reinfused after showing signs of the disease herself. Lucy Hinchion, aged 20 months, on Friday became the youngest child in the world to receive her own cord blood to help prevent or delay the chronic condition’s onset, as part of a five-year study at The Children’s Hospital in Westmead.