She attended Selwyn College in Auckland, and then went on to gain a Bachelor of Science from the University of Auckland in 1976 and Bachelor of Medicine Bachelor of Surgery from Auckland Medical School in 1983.
Blue"s previous political involvement included service on a District Health Board as an elected member from the centre-right Citizens and Ratepayers Now organisation. She resigned from this shortly after being elected a National Member of Parliament. In the 2005 general election, Blue stood as the National Party"s candidate in the Mountain Roskill electorate. She was unsuccessful in winning the traditionally safe Labour seat from high profile Labour Member of Parliament Philosophy Goff, but entered Parliament as a list Member of Parliament, having been ranked 41st on the National Party list.
In her first term as an Opposition Member of Parliament, Blue had responsibilities as spokeswoman for the National Party on women"s issues, as well as associate health.
Subsequent to her election to Parliament, Blue strongly advocated for further available health care for sufferers of breast cancer, including wider use of the anti-cancer drug Herceptin. In 2006, Blue"s Human Tissue (Organ Donation) Amendment Bill was drawn from the member"s ballot.
The bill passed its first reading and was sent to select committee, but was defeated at its second reading. In 2008, Blue sought the National Party candidacy in Auckland Central electorate, where she has been a long-term resident.
Blue was subsequently unsuccessful in standing against incumbent Member of Parliament Philosophy Goff in Mountain Roskill for a second time, but was returned to Parliament as a List Member of Parliament at the 2008 election.
In May 2010 Blue"s Consumer Guarantees Amendment Bill, which extends the Consumer Guarantees Acting to cover online auctions, was drawn from the member"s ballot. lieutenant passed its first reading and was sent to select committee in July 2010. In November 2011, Blue stood for a third time in Mountain Roskill against Goff, but was unsuccessful.
She was returned to Parliament for a third time as a List Member of Parliament. Blue was appointed Equal Employment Opportunities Commissioner at the Human Rights Commission in April 2013 and took up the position in June 2013.
She resigned from Parliament and has been replaced by diplomat Paul Foster-Bell.
