The prime minister of New Zealand, Jacinda Ardern, has announced that she is pregnant with her first child and will take a six-week break from her official duties to give birth.In what may be a groundbreaking move, Ardern's plan follows what was already shaping up to be a different approach to both political power and motherhood.The 37-year old Ardern, who assumed office in late October, is the third woman to lead New Zealand and the youngest PM in 150 years.In a Facebook post, she said that she and her partner, Clarke Gayford, expect to become parents in June. They plan for him to the primary caregiver after she returns to running the country.Ardern was reported to be a reluctant leader of New Zealand's ruling Labour party. She hadn't been shy in sharing her concerns about balancing politics with family and home life. Ardern was elected leader of Labour in early August, less than eight weeks before the national election in September. Fresh, charismatic and able to appeal to young voters, "Jacinda-mania" gave Labour a new face.She also made headlines when she fended off questions about her plans for motherhood. Shortly after she was unanimously elected as leader of the Labour party in August 2017, a TV show host, Mark Richardson, asked her whether it is OK for a PM to take maternity leave while in office?According to the Guardian, Ardern insisted that it was "unacceptable" for women to be questioned in the workplace about their plans for motherhood: