• Kate, 38, has been driving force behind a study on perceptions of early childhood – the largest of its kind in UK
  • In speech Kate will highlight how difficult early childhood experiences often root cause of social challenges 
  • More than half-a-million people took part in the Royal Foundation’s ‘five big questions on the under-fives’ poll 
  • Research has been hailed ‘milestone moment’ for Kate and sources say she’ll ‘come across in a new light’