LONDON, UNITED KINGDOM - OCTOBER 05: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge visits University College London's Centre for Longitudinal Studies to meet with leading early years researchers and learn more about their new holistic study into early years on October 5, 2021 in London, England. The new study 'The Children of the 2020s' is a nationally representative birth cohort study launching in England, which will track the holistic development of children from the age of nine months to five years. (Photo by Max Mumby/Indigo/Getty Images)
Getty Images

Getty Images Entertainment Max Mumby/Indigo

LONDON, UNITED KINGDOM - OCTOBER 05: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge visits University College London's Centre for Longitudinal Studies to meet with leading early years researchers and learn more about their new holistic study into early years on October 5, 2021 in London, England. The new study 'The Children of the 2020s' is a nationally representative birth cohort study launching in England, which will track the holistic development of children from the age of nine months to five years. (Photo by Max Mumby/Indigo/Getty Images)
Getty Images

Getty Images Entertainment Max Mumby/Indigo

LONDON, UNITED KINGDOM - OCTOBER 05: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge visits University College London's Centre for Longitudinal Studies to meet with leading early years researchers and learn more about their new holistic study into early years on October 5, 2021 in London, England. The new study 'The Children of the 2020s' is a nationally representative birth cohort study launching in England, which will track the holistic development of children from the age of nine months to five years. (Photo by Max Mumby/Indigo/Getty Images)
Getty Images

Getty Images Entertainment Max Mumby/Indigo

LONDON, ENGLAND - OCTOBER 05: Catherine, Duchess of Cambridge arrives to visit University College London's Centre for Longitudinal Studies to discuss a new holistic study into early years, on October 5, 2021 in London, England. (Photo by Justin Tallis - WPA Pool/Getty Images)
Getty Images

Getty Images Entertainment WPA Pool