A MUM has revealed her baby weighed a staggering 11lbs when he was born at 37 weeks.

Krystal Nicole Olson uploaded a video of her adorable son, and admitted she had to buy baby grows for three-month-olds because he was so big.

On her @notkrystalnicoleolson TikTok account, she said: “My son was born at 11lbs, ok 11lbs that’s a big baby.

“He was born at 37 weeks, 11lbs at 37 weeks.”

She then showed a photo of her baby son coming home from the hospital.

She added another snap of him and said: “That’s him in the hospital in a three-month onesie.”

Krystal also revealed a photo of herself when she was pregnant with her son, and said: “That’s me getting induced at 37 weeks.”

According to the NHS website, “pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period.”

The average weight for a baby born in the UK is 7lb 8oz for boys and for girls 7lb 4oz.

A newborn who weighs more than 8.8lbs is considered larger than normal – and may be referred to as macrosomia.

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Many people were amazed at Krystal’s story, with one person saying: “He left the hospital and went straight to college.”

Another added: “please tell me you immediately started a rent agreement?”

We previously shared how a mum gave birth to UK’s third biggest baby weighing more than a STONE with tot so large it took 2 nurses to pull him out.

And a mum gave birth to a giant 14lb boy – he was so huge she had C-section & he went straight into 9-month-old’s clothes.

And from the three stone twins to a two-foot-tall newborn we reveal the biggest ever babies – and they’re seriously cute.