LONDON - Britain's Prince William said Monday he was "thrilled" that his wife Kate is pregnant with their second child, but admitted it had been a "tricky few days" as she struggles with severe morning sickness.
Kate cancelled an official engagement on Monday because she is suffering from hyperemesis gravidarum, the same condition that caused her to be hospitalised in 2012 when she was pregnant with her first child Prince George.
William attended the public event in Oxford without her and told reporters: "It's been a tricky few days, a week or so, but obviously we're immensely thrilled, it's great news." He said it was still "early days, but I'm hoping things will settle down and she feels a bit better", adding: "I'm going to go back to look after her now." Kate, 32, is being treated by doctors at the couple's London home Kensington Palace, a spokesman said.
The pregnancy was announced earlier Monday in an official statement from the palace, which said that Queen Elizabeth II, William's grandmother, was "delighted" at the news.
"Their Royal Highnesses the Duke and Duchess of Cambridge are very pleased to announce that the Duchess of Cambridge is expecting their second child," the palace said.
"The Queen and members of both families are delighted with the news." The announcement made headlines across the world, reflecting the star status of William and Kate.
The birth of their first child, George Alexander Louis, on July 22, 2013, sparked a media frenzy and prompted messages of goodwill from around the world.
On Monday, the BBC's 24-hour news station cut away from Cameron's statement to parliament on last week's NATO summit to carry William's remarks live.
But the prince urged a sense of perspective.
"It's important that we all focus on the big news, and the big international and domestic things going on at the moment. That's where my thoughts are," William said.
Cameron said: "On behalf of the whole country, I am sure the House will join me in congratulating them on this fantastic news and wishing them well in the months ahead."