Video: Duchess Kate returns home The Duke and Duchess of Cambridge exit the hospital days after Catherine was admitted for severe morning sickness. December 6 2012 at 02:26pm Related Stories Comment Guidelines Please read our comment guidelines. Login and register, if you haven’ t already. Write your comment in the block below and click (Post As) Has a comment offended you? Hover your mouse over the comment and wait until a small triangle appears on the right-hand side. Click triangle () and select "Flag as inappropriate". Our moderators will take action if need be.