NX Prenatal has appointed Kevin Rosenblatt, Mary Lake Polan, Daniel Chan, and Thomas McElrath to its newly formed medical/clinical advisory board. Rosenblatt will serve as the chair and currently works as chief medical and scientific officer for the company. Prior to NX Prenatal, he served as chief medical officer/chief scientific officer of CompanionDx Labs. Polan is a clinical professor in the department of obstetrics and gynecology and reproductive science at Yale University School of Medicine. She also serves as chair emeritus of the department of obstetrics and gynecology at Stanford University. Chan is a professor of pathology, oncology, radiology, and urology at Johns Hopkins University School of Medicine. He also serves as director of the clinical chemistry division and co-director of the Pathology Core Laboratory of Johns Hopkins Hospital in Baltimore. McElrath is an associate professor of obstetrics, gynecology, and reproductive biology at Harvard Medical School. He is also an attending physician at Brigham and Women's Hospital.