A baby has become Britain's youngest blood donor recipient after receiving a transfusion while the size of an apple in the womb. Arthur Ransom’s organs were failing after contracting a virus and the intricate infusion was performed using a tiny needle at just 16 weeks into the pregnancy . The “50/50” procedure worked, so Arthur recovered in the womb and was born in January 2025. Such procedures on babies in the womb - known as intrauterine transfusion (IUT) - can only use very specialist blood