07/10/2013 11:35 EDT

Duchess Of Cambridge's Baby Preparations Revealed: Reports

Catherine, Duchess of Cambridge (a.k.a. Kate Middleton) is going to pop any day now, and while we wait for a little prince or princess to arrive, the royal mum-to-be is getting ready.

Duchess Kate has been “sensible and stayed in London” at her and Prince William’s home at Kensington Palace as her July due date nears, a source told Us Weekly.

"She was so relieved that she did not go into labour early while in Anglesey with William,” the source said.

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Kate Middleton Before Baby

If she had, an earlier emergency plan would have seen Kate flown from Anglesey, where she has a home with Will, to London via helicopter.

According to the Us Weekly source, Prince William, a RAF Search and Rescue pilot, has been visiting “whenever he is off shift.”

Although Kate’s reported plans indicate she’s ready for the big day, Will is scheduled to play polo at an annual charity event in Gloucestershire on Sunday (the day after the rumoured July 13 due date), according to the Daily Mail. Perhaps Kate has a few more days left to go?

If she does go into labour before then, he’ll no doubt make arrangements to join her.

Meanwhile, Duchess Catherine has also kept her mother, Carole, and sister, Pippa close by just in case.

Kate is also keeping busy with prenatal yoga, according to the Daily Mail. The yoga is believed to help her maintain physical and mental strength, and may help her cope during labour, the Daily Mail said.

The Duchess, who plans on a natural childbirth, is to have the baby at the Lindo Wing at St. Mary's Hospital, Buckingham Palace said in June.