A Whangarei school teacher is on trial this morning charged with assaulting her ex-husband's pregnant partner.
Terynne Whitney Dunn, 28, has been charged with injuring with intent to injure and an alternative charge of assault with intent to injure.
The trial began at Whangarei District Court this morning before Judge Duncan Harvey and a jury of seven women and five men.
Dunn is alleged to have assaulted the pregnant woman at a Kensington Park sports event on Friday 11 May 2012.
She had been granted interim name suppression but suppression lapsed today.