Princess Beatrice said she endured "months of sheer worry" before the early arrival of her second child, Athena Elizabeth Rose.

The royal describes "months of sheer worry" she experienced over the birth of her second child.

The late Queen’s granddaughter’s second child, Athena Elizabeth Rose, was born several weeks premature on January 22.

Princess Beatrice gave birth to her premature daughter Athena Elizabeth Rose on January 22 this year. Weighing 2kgs at birth, Athena's early arrival...

Princess Beatrice gave birth to her premature daughter Athena Elizabeth Rose on January 22 this year. Weighing 2kgs at birth, Athena's early arrival...

Princess Beatrice has described the premature birth of her daughter as "humbling".

Princess Beatrice has described the premature birth of her daughter as "humbling".

At 5.21pm the Sydney mother-of-three got the reassurance she wanted. Twenty minutes later her killer made a chilling call.

At 5.21pm the Sydney mother-of-three got the reassurance she wanted. Twenty minutes later her killer made a chilling call.