Throughout the journey, Mrs Duggan has been supported by husband Jason, 42, whose role was recently recognised when he won The Tommy's and Philips Avent Angel Award, which celebrates someone who has been supportive through a parenting or pregnancy-related problem.

BBC: Claire and Jason Duggan

His ride in the Gold Cup is Keen Leader, whom he has ridden just once when the horse won the Tommy Whittle Chase at Haydock in December.

BBC: Pertemps Hurdle

U.S. Health and Human Services Secretary Tommy Thompson has said he's confident that access to the lines won't be an issue.

CNN: Access may complicate stem cell study