This is the remarkable moment a baby was born – inside its amniotic sac.
The tiny baby was born 26 weeks prematurely, with its placenta and umbilical cord still inside the bag of fluid.
He had to be removed by a ceasarean.
Remarkably Silas Johnson, whose entry into the world was just a 1 in 80,000 occurrence, is now a healthy ten-week-old.
Rare birth: The baby inside the amniotic sac
Doing well: Ten-week-old Silas Johnson
Video footage showed the tiny child, who was born in California, yawning inside his amniotic sac, before being freed by a doctor.
He can even be seen wriggling around and moving his arms.
A doctor can later be seen snipping the amniotic sac open. As the baby comes out he gives a little cry as he takes his first breath.
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Pictures from ITN