The Princess of Wales canceled plans to attend Royal Ascot on Wednesday as she continues to balance the demands of her public duties against the realities of her recovery from cancer. Kate, as Prince William’s wife is commonly known,

Kate, who shares three young children with William, has made a gradual return to public engagements this year since announcing in January that she is in remission from cancer. Kate has not shared details of the type of cancer with which she was diagnosed, though she has shared she underwent chemotherapy treatment.

Kate Middleton, the Princess of Wales, recently appeared alongside Prince William, as well as their children Prince George, Princess Charlotte and Prince Louis at Trooping the Colour.