An elderly woman in Chile has been found to have a 50-year-old foetus inside her.The woman, who is at least 90, had been sent to hospital in the city of San Antonio after a fall, the BBC reports.After carrying out X-rays, doctors were astonished to discover the foetus, which weighed around 4.4lb (2kg).The unborn child, which had calcified in her body, is a phenomenon known as a 'lithopedion', or stone baby.This is where an unborn child develops outside the womb and becomes calcified.There are fewer ...