In 1955, she would have required a complicated procedure to remove the baby. Her fleeing the hospital 46 years ago might have saved her life, as there was only a small chance that the technology available in those days was advanced enough to separate the fetus from her vital organs.
Even in 2001, the operation was a difficult one. The danger was that she would bleed to death as they removed the calcified stone baby. The baby had fused to Zahra's bladder, stomach, abdominal wall, and veins.
Any minor slip of the scalpel could have punctured these organs and cost Zahra her life.
At the time of the documentary, only 300 cases of such stone babies, also known as lithopedions, had been reported in medical history.
After 46 years, Zahra was finally able to give birth to her baby.