Prince William confirms Catherine and their children are doing well amidst her preventative chemotherapy for cancer.

The royal family has maintained privacy concerning Catherine's health following her public announcement after speculation and pressure.

Prince William has resumed royal engagements, while their son, Prince Louis, recently celebrated his 6th birthday.

Catherine Middleton publicly shared her cancer diagnosis through a video message, acknowledging the difficulty for their family.

Prince Charles has also resumed public duties after a three-month absence due to his own cancer treatment.

The Middleton family has requested privacy during Catherine's treatment period.