PRINCESS Kate's children George, Charlotte and Louis "haven't visited their mum" in hospital - while Wills has been by her side "every day".
The Princess of Wales, 42, is recovering in hospital from planned abdominal surgery last week.
Prince William has visited Kate at the London Clinic in Marylebone every day since the surgery on January 16.
But it is understood that their three children have not joined him at her bedside.
A source said that William and Kate want her absence to feel as normal as possible for the youngsters.
George, Louis and Charlotte are all understood to have been at school throughout Kate's time in hospital.
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It is also understood that the royal children spent Sunday with their doting grandparents on Kate's side in the comfort of the Middleton family home in Bucklebury, Berkshire.
Kensington Palace announced on January 17 that Kate had undergone the surgery, but it is understood that it was not related in any way to cancer.
The princess is expected to stay at the private London Clinic for up to 14 days before going home to Adelaide Cottage in Windsor.
She will likely be counting on the support of her close pals, ranging from old school friends to palace insiders.
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Kate's surgery was revealed the same day Buckingham Palace announced King Charles has been forced to cancel engagements for a "corrective procedure".
The 75-year-old monarch is set to be admitted to hospital this week to have surgery for an "enlarged prostate".
At the weekend Queen Camilla told well-wishers in Swindon that Charles is "fine".
In another health fright for the royals, it was revealed last week that Sarah Ferguson has been battling an aggressive skin cancer.
The Sun revealed Fergie, the Duchess of York, was battling cancer for the second time in just six months.
The 64-year-old had been diagnosed with malignant melanoma after a mole was removed as she underwent treatment for breast cancer.
Sarah encouraged everyone to check the size, shape, colour and texture and emergence of new moles to catch any potential skin cancer early.