Britain's Catherine, Duchess of Cambridge (R), is pictured during a meeting with a parent support group while attending the launch of a series of films to raise awareness of maternal mental health challenges in London on March 23, 2017. 

Best Beginnings, a Charity Partner of the Heads Together campaign which is led by The Duke and Duchess of Cambridge and Prince Harry, has launched the 'Out of the Blue' film series which explores a range of mental health conditions from low mood and anxiety to more severe forms of depression. / AFP PHOTO / POOL / Heathcliff O'Malley        (Photo credit should read HEATHCLIFF O'MALLEY/AFP/Getty Images)