Jacinda Ardern, the world's youngest female leader, will become just the second woman in history to give birth while an elected head of state. She'll become the first elected leader ever to take maternity leave.

Jacinda Ardern, the world's youngest female leader, will become just the second woman in history to give birth while an elected head of state. She'll become the first elected leader ever to take maternity leave. https://t.co/Gx9blZb3qX

— NBC News (@NBCNews) April 18, 2018