The Duchess of Cornwall has said "life goes on, it could be worse" after she broke her left leg while hillwalking in Scotland.
Camilla, 62, suffered a twisted fracture of her left fibula when she slipped while outdoors on Wednesday.
After the fall, the Duchess needed some help getting down from the hill but the injury was not thought to be as serious as a fracture.
However, the break has now been confirmed by an x-ray.
Clarence House said: "Her royal highness is wearing a plaster cast and will be for six weeks."
A spokeswoman said doctors have advised her not to put any weight on her leg.
But she intends to carry out all her official engagements, which are scheduled for the end of the month.
Clarence House would not disclose at which hospital Camilla was treated or the exact location of the accident.
She has been staying at Birkhall, the Prince of Wales's private home on the Queen's Balmoral estate.
Sky's royal correspondent Sarah Hughes said Camilla and Prince Charles were at Birkhall for their anniversary on Friday.
She said: "They had been out walking in the hills around their property and the Duchess of Cornwall had a fall, in slippery conditions according to Clarence House.
"She hurt her leg. She saw a doctor and he advised her to go and have her leg x-rayed. The x-ray confirmed it was a twisted fracture of her left fibula."
Hughes added: "She very much likes the outdoors.
"Hillwalking is something that the Duchess of Cornwall and the Prince of Wales like to do a lot and obviously this fall will now restrict her for some time, for some weeks to come.
"In terms of health, she is pretty robust. She did suffer from a bad back. She has problems with her back.
"She was suffering from a trapped nerve during the recent tour of Poland, Hungary and the Czech Republic.
"And that caused the Duchess of Cornwall to have to cancel a couple of engagements."
Hughes went on: "Apart from that, she had a hysterectomy operation back in 2007 but generally speaking, good health. There is a history of osteoporosis in her family."



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