Jacinda Ardern to give birth while being in Prime Minister office

Jacinda Ardern to become only second lady to give birth while being the Prime Minister of New Zealand. She said that Clarke (her husband) and she is excited that their family will increase from two to three. She announced her first pregnancy on her Facebook post.
The 37 years old Jacinda said she will Prime Minister and a mum (soon).
She is to become second lady in the office to give birth, first was Benazir Bhutto (prime minister of Pakistan) who gave birth to her daughter to become first lady Prime Minister to become mother.
Image source : http://www.newstalkzb.co.nz