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Royal baby in July? One royal says she knows royal baby due date

Royal baby in July? The royal baby due date was estimated to be July 13 or July 14 by media organizations. That royal baby due date has passed, but one royal family member seems confident she knows. And it's soon.

By Andrew AverillCorrespondent / July 16, 2013

Royal baby due date is this week, says a family member. Kate, Duchess of Cambridge, after an official visit to Naomi House near Winchester, England, April 29.

AP Photo


The royal baby due date has passed, but one royal recently hazarded an updated guess: The baby will be here by the end of the week.

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Camilla, Duchess of Cornwall, gave a spontaneous speech earlier today whiling touring Cornwall with Prince Charles

"We are all just waiting by the telephone," she said, according to "We are hopeful that by the end of the week he or she will be here."

Although no official due date was announced, it was largely expected that the baby would be born in mid-July and a number of media organizations pegged the 13th or 14th as the day. But firstborns tend to be born late – this seems like folklore, but there is actually data that backs it up.

A computer science professor in Massachusetts analyzed Centers for Disease Control and Prevention survey data from 7,643 women and 9,148 births. He found, according to, that firstborn babies were born late 15 to 16 percent of the time while second-born, third-born, etc., had a less than 10 percent chance of being born late. 

But due dates are not an exact science. They are a helpful prediction. A mother is not considered to be overdue unless she goes into labor two or more weeks past her due date. 

That leaves some wiggle room for the little heir or heiress. 


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