SUNNYVALE, Calif., April 1, 2011 (GLOBE NEWSWIRE) -- Arrayit Corporation (OTCBB:ARYC) announces today the product launch of OvaDx®, the market's first Pre-Symptomatic Screening Test for Ovarian Cancer. The company is offering the first 1,000 tests to attendees of the 102nd annual meeting of the American Association for Cancer Research (AACR) at the Orange County Convention Center in Orlando, Florida on April 2-6, 2011.