"I haven't see her for a while, but I think she's ok", he said.
As part of the well-loved royal family, Prince William, Duke of Cambridge and Kate Middleton, Duchess of Cambridge face a lot of pressure in their everyday lives. Their Royal Highnesses hold links with numerous organisations involved in supporting the community.
The announcement comes as William and Kate are preparing to send their eldest child off to school for the first time. (AAP) Prince William says his wife pregnancy is "very good news". He also added that "there's not much sleep going on at the moment".
"It was a bit anxious to start with", he said at a mental health conference in Oxford, England. "She's always wanted two girls and a boy, just like her mother had".
According to the Palace's statement, The Duchess is getting the medication care she needs at Kensington Palace.
Hyperemesis gravidarum is the medical term for extreme morning sickness. She cancelled plans to attend an event in London on Monday because of the condition.
Kensington Palace announced the news on Monday, saying that the Queen and rest of the Royal Family are "delighted". As with her other two pregnancies, the duchess is suffering from Hyperemesis Gravidarum, or acute morning sickness.
No further information regarding due dates or names has been announced, but assuming that they have made the announcement after 12 weeks, we're expecting a March baby. "Her Royal Highness will never again do her arranged engagement at the Hornsey Road Children's Center in London today". In fact, the royal palace announced her pregnancy early (she is not yet three months pregnant) due to her illness.
His nine-year-old daughter Lisa said she was looking forward to the royal baby's birth.
Kate Middleton and Prince William are happy to know that they will have soon the third child.