The Prime Minister was gifted a condom and pregnancy kit during a visit to the Agricultural Fieldays, near Hamilton.
Thousands of people have converged on Mystery Creek for the event this week, which is the largest agricultural show in the southern hemisphere.
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Jacinda Ardern stopped by the New Zealand College of Midwives' stand during her walkabout at the event.
Midwife Liz James said Ardern was interested in what they do.
"We told her about what our role is in rural New Zealand, the amazing women we work alongside and how our service needs to be resourced more appropriately," she said.
"We talked about rural maternity units and emphasised how important they are in keeping midwives in the area," said James.
"As primary units are downgraded or services are removed, the workforce moves away - these issues are inextricably linked."
Ardern received a gift from the group which included a condom, pregnancy kit and lollipop.
Around 55,000 women give birth annually in New Zealand, and nearly a third of those live in rural areas.
Fieldays at Mystery Creek near Hamilton started on Wednesday and finishes on Saturday.
Newshub.