A baby in Japan has become smallest boy in the world to leave hospital safely after an extremely premature birth.

The newborn was delivered by emergency C-section at just 24 weeks after he reportedly stopped growing in the womb. Weighing less than the average mango at 268 grams and able to fit into a pair of cupped hands, the boy spent five months in intensive care before being released from Tokyo’s Keio University Hospital last week.

According to BBC News, the baby has since grown to a weight of 3.2kg and is now feeding normally.

“I can only say I’m happy that he has grown this big because honestly, I wasn’t sure he could survive,” the boy’s mother said.

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