Faulty Theranos Test Fueled Miscarriage Fear, Holmes Jury Told

An Arizona woman who had experienced three miscarriages told jurors that erroneous blood tests from Theranos Inc. prompted a difficult conversation about what looked to be a fourth failed pregnancy.

Brittany Gould’s testimony Tuesday gave the jury weighing criminal charges against Theranos founder Elizabeth Holmes its first look at evidence that patients suffered from alleged shortcomings in the startup’s technology.

“I had a hard time carrying pregnancies past the first trimester,” Gould, a medical assistant from Mesa, said in candid, somber testimony muted by her mask. The results from Theranos required a discussion with her nurse practitioner about “ways to ...