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

Deanne Delahoussaye of Orlando, Florida, says pregnancy was just the first mile in her parenting marathon.

CNN: Mothers on what you don't expect when you're expecting

"Many parents have found this to be a fun activity as well as giving them a very unique, artistic keepsake of their pregnancy, " suggests one of these online parenting guides.

BBC: NEWS | UK | Magazine | Why eat a placenta?