Ten years ago, Nicola and Jim Walker received the news that every parent dreads. Their two-year-old daughter Abby was diagnosed with leukaemia, a life-threatening illness.
Abby's parents hit upon a controversial course of action - to have another child and harvest stem cells from the new baby's umbilical cord in case Abby relapsed and needed a transplant.
They invited Australian Story to film with them as they embarked on this solution, providing intimate access to a deeply moving family experience.
In this Australian Story update, we revisit the Walker family to find out the consequences of their decision.
