A source told the Mirror Kate has spent “several months” working behind the scenes to deliver her campaign.
She has spent “a lot of time reading, meeting and speaking with professionals across the entire field” as she takes her campaigning to the medical and academic world.
The Princess aims to create “generational change” for children, the source added, with the process employing a “number of creative parts”.
Both parents and non-parents can participate, with those from the “medical and academic world” also joining.
