PM: Gran may have been a critic
Not everyone supports Jacinda Ardern's decision to have a baby in office - she says even her late gran may have disapproved.
Life under a pregnant PM
OPINION: I grew up during the regime of Benazir Bhutto in Pakistan - the world's first pregnant leader.
Baby in the House
PM Jacinda Ardern plans to breastfeed her baby for as long as she can – at home or in the House.
Making global headlines
Jacinda Ardern's pregnancy has created waves worldwide, with world media excitedly reporting the news.
How 'acting PM' works
Winston Peters will step up to be acting PM when Jacinda Ardern has her baby in June.
PM to become a mum
PM Jacinda Ardern says she had been told she would have trouble becoming pregnant without help, and the news was a surprise.