(Amy was born four months prematurely on June 1, 2012 weighing just 1lb 3oz, but after she was born, her mother Maria's contractions suddenly stopped and doctors decided it was safer for her sister Katie to stay in the womb. Katie was born on August 27 weighing 5lb 10oz.
The Irish twins are now set to become Guinness World Record holders for the longest time between twins being born.)