The Elizabeth Holmes Trial: Jurors Hear First Patient Testimony About Theranos Blood Tests

SAN JOSE, Calif.—An Arizona medical assistant testified Tuesday at the criminal trial of Elizabeth Holmes that she received two Theranos Inc. blood tests indicating she was miscarrying when she was in fact pregnant—results that her medical provider testified were unlike any she has ever seen in eight years of practice in women’s health.

After the erratic results that patient Brittany Gould received on the key pregnancy marker in October 2014, nurse practitioner Audra Zachman testified, “I felt very uncertain of the validity of the results and felt uncomfortable as a provider” sending more patients to Theranos.