The company behind the controversial app launched a wristband that tracks your temperature, heart rate, and movement while you sleep.

The fertility and birth control app now has its own wearable.

Natural Cycles has recently received FDA clearance to use data from the Apple Watch for birth control. The information will come precisely from the smartwatch's temperature data. Natural Cycles has ...

Forbes contributors publish independent expert analyses and insights. Geri Stengel writes about the success factors of women entrepreneurs. Track your cycle with confidence — Natural Cycles pairs with ...

The fertility tracking app Natural Cycles revealed today it has received clearance from the U.S. Food and Drug Administration (FDA) to be integrated into the Apple Watch — a device estimated to be on ...