University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools using only the phone's speaker and mic, though it's not ready for release yet.

In a clinical study involving 23 pregnant women in their second and third trimesters, the app estimated fetal heart rate with ...

Pregnant women often worry about their babies’ health in between doctor’s visits, but a new mobile app can help put them at ...

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...

Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best chest strap heart-rate monitor overall? The best chest strap heart-rate ...

Add Yahoo as a preferred source to see more of our stories on Google. Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best ...