DOYLESTOWN, PA -- (MARKET WIRE) -- January 16, 2007 -- QuantRx® Biomedical Corporation (OTCBB: QTXB), an emerging leader in the research and development of medical diagnostic platforms and products, today announced that its management will present at Invest Northwest®, the Pacific Northwest’s premier life science investor conference, scheduled Tuesday and Wednesday, March 20-21, 2007, at Seattle’s Bell Harbor International Conference Center.