 AUSTIN, Texas, July 19, 2021 PRNewswire -- Natera, Inc. Nasdaq: NTRA Natera or the Company, a pioneer and global leader in cell-free DNA testing, today reported preliminary results for the quarter ended June 30, 2021 for volume and revenue growth. The Companys revenue growth rate in the second quarter of 2021 was the largest year on year growth in its history as a publicly traded company. 