Northwestern researchers created a new hair-thin device that measures the vital signs of fetuses in a collaborative effort with Ann & Robert H. Lurie Children’s Hospital of Chicago. A Jan. 26 study ...

Researchers from Northwestern University and Ann & Robert H. Lurie Children’s Hospital of Chicago have developed the first device that can continuously track a fetus’s vital signs while still ...

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...

Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing ...

Re “Doctors Stick With Unreliable Medical Tool to Justify C-Sections” (front page, Nov. 7): As the president of the American College of Obstetricians and Gynecologists, I found that this article, ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...