The baby and her identical twin were delivered prematurely to save the life of their mother, Kylee, who had developed a potentially fatal condition. Doctors feared neither girl would survive, but then Erin sent out a message of hope - by curling her tiny hand around her mother's finger and giving it a squeeze.
Mrs John, 26, said: 'It was a remarkable moment. My husband Steven captured it on camera. It was as though she was holding on to me, telling me she wasn't going to let go.'
Vital sign: Erin grabs her mother's finger
