Kate Middleton and Prince William are open to having another baby.

The Duke and Duchess of Cambridge have just visited Prince Harry and Meghan Markle’s newborn son Archie Harrison Mountbatten-Windsor. According to bookies, chances are high that Middleton would want another baby after seeing her nephew.

“All eyes will be on Harry and Meghan’s first born in the coming weeks but it looks like even more royal baby news could soon be coming from the Palace,” Alex Apati of Ladbrokes said.

Ladbrokes slashed the odds of Prince William and Middleton making a baby announcement this year from 6/4 to 5/2.

Meanwhile, an insider claimed that Middleton really likes kids and she loves her children’s connection. The royal mom of three reportedly wants another one so Prince Louis will have a sibling that is close to his age.

“Kate has seen the bond between George and Charlotte and thinks it would be lovely if Louis had a sister closer to his age,” an insider told New Idea.

“Kate is doing things her way but William has always supported her and will do anything to make her happy; that is a promise he made before they married.”

However, Middleton’s fourth pregnancy could be risky because the duchess is 37 years old and is considered at the “advanced maternal age” already. Women at this age may be advised to have labor induction or C-Section at 39 weeks.

Also, certain genetic risks are common at this age like the embryo having a Down Syndrome. The rate of having a baby with this condition increases with the mother’s age and this has been observed in large studies of women and in studies with embryos conceived with IVF.

Although it’s risky, things can also go well. The Duchess of Sussex is already 37 when she gave birth to her first son baby Archie a week ago. The mom’s physical health may play a vital role in how her pregnancy would turn out.

Between Middleton and Markle, Emily Nash felt that the Duchess of Cambridge didn’t enjoy her three pregnancies because she was suffering from hyperemesis gravidarum. On the other hand, Markle didn’t have any problem conceiving and was even “glowing.”

Kate Middleton Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend Easter Sunday service at St George's Chapel on April 21, 2019 in Windsor, England. Photo: Getty Images/Samir Hussein/WireImage