Health | The Verge – Read More

Natural Cycles, the company behind a controversial FDA-cleared birth control app, is replacing its thermometer with a wristband that measures skin temperature, heart rate, and movement during sleep. The newly launched wristband costs $129.99 and syncs with the Natural Cycles app, which uses an algorithm to determine a person’s “daily fertility status.”

Users can already track their fertility by pairing an Apple Watch or Oura Ring with Natural Cycles, but the wristband could be an option for users who don’t have either of these devices handy. While Natural Cycles also works with newer Samsung Galaxy smartwatches and the Galaxy Ring, it’s mea …

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