Official press release:
Their Royal Highnesses The Duke and Duchess of Cambridge are delighted to confirm they are expecting a baby in April 2015.
The Duchess of Cambridge continues to be affected by Hyperemisis Gravidarum, but her condition is steadily improving.
It is possible that Catherine is going to attend her next official engagement on October 21st.
At the end of last week, pictures of Kate and William have been published after leaving her doctor's office for the 12-weeks-scans.