According to the latest 1 NEWS Colmar Bruton poll, most people don't think becoming a mum will have an effect on Jacinda Ardern's performance as Prime Minister.
Ms Ardern is due to give birth to her first child in June, and says her plan is to make sure she's doing exactly the job she's been elected to do.
"Of course the vast majority of people in the workforce are doing exactly what I will be doing very soon and that is multi-tasking." says Ms Ardern.
Nearly two thirds of those polled say it'll make no difference, 18 per cent say her performance will be worse than it is now, 15 per cent think it'll be better and six per cent are unsure.
Political commentator Jennifer Lees-Marshment says in an ideal world it would not be a topic for discussion.
"But the reality is this is so rare she's only the second Prime Minister to have a baby while in office that you can't ignore it."
Experts say that the Prime Minister is a role model for working women.
Global Women board member Felicity Evans says "seeing her adequately and brilliantly doing her job whilst being a mum and being pregnant. It's perfect."
In response to that Ms Ardern says, "I'm no superwoman and I wouldn't want to give that impression."
"The fact that I am able to do what I'm doing and be a mother at the same time is because I have a huge amount of support around me."
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