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That's the size of a bowling ball, or a small dog.
What's more, mum Jade Beyer's bump was so big that many people she spoke to thought that she must be having twins.
Nope, it turned out that Ronny-Jay Fewtrell was just a really big baby.
He was delivered at Worcestershire Royal Hospital in the wee small hours of 5 April, after a hefty 16-hour-long labour.
The midwives that helped deliver Ronny-Jay were so shocked by his weight that they double checked it, as he was the largest child that had ever crossed their scales.
His 33-year-old mum said all of the newborn clothes they had for him were simply too small, and he had to go straight into togs for kids that are between three and six months old.
She's also had to give up on breastfeeding him already, as the 12-week-old has such an appetite for it that she can't keep up.
Jade, from Worcester, said: "We had an inkling at the very beginning Ronny was going to be big.
"I was big straight away, there was no hiding my pregnancy from the beginning.
"A lot of people were joking it was twins again because I carried bigger with Ronny than with the twins.
"The midwives were laughing saying his umbilical cord was like a tow rope.
"He went completely off the growth charts where they put the estimated weight and length - I think he was about the size of a four month old baby."
Ronny-Jay was supposed to be born on 9 April, but was brought in to be induced early because of his size.
After a few days waiting, Jade eventually entered labour, but - obviously - they ran into problems because of his size.
Jade continued: "I was in that much pain towards the end of the pregnancy I kind of had to beg the consultant to be induced because I couldn't physically move or breathe.
"I've had big babies before but I could tell Ronny was different."
Jade, who lives with her 29-year-old partner Scott Fewtrell, has four children now, but reckons Ronny will probably be the last.
She added: "By the looks of it, they keep getting bigger and four is enough for anyone.
"I've done my fair share for the population and if they get any bigger then you are looking at a stone baby.
"He's doing really well now, I haven't been able to weigh him recently because it's tricky getting a space in the clinics.
"But he is so chilled out, so happy, very content and I get good sleep with him."
She concluded: "I was quite shocked to learn he could be one of Britain's biggest babies but the midwife did say he was the biggest ever on her scales.
"He's absolutely fine now and gets on great with his siblings, they dote on him.
"I can't thank the midwives enough for their continued support and work with me and the baby through my traumatic labour."
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