New Zealand First MP Barbara Stewart will quit Parliament at the election, saying she has found being in Parliament difficult after the death of her husband.
Stewart has been in Parliament for 12 years and is the party's health spokeswoman.
Her husband, Gordon, died on January 31 after a battle with cancer.
"There's quite a lot of work to do around that, including downsizing the house," she said.
"I don't believe that in Parliament you can be a bird with a broken wing.