LONDON, ENGLAND - MARCH 21: Catherine, The Duchess of Cambridge convenes an early intervention for children and families symposium at Royal Society of Medicine on March 21, 2018 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - MARCH 21: Catherine, The Duchess of Cambridge convenes an early intervention for children and families symposium at Royal Society of Medicine on March 21, 2018 in London, England. (Photo by Karwai Tang/WireImage)