Why This Fertility App’s First Scientific Study Is So Exciting

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Unless you’re a tech-savvy woman looking to get pregnant, you’ve probably never heard of Ava. Slim and discreet, it’s a $300 wearable tracker that in tandem with its companion app monitors your heart rate, body temperature, and breathing while you sleep to predict when you’re ovulating. None of that is particularly…

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https://gizmodo.com/why-this-fertility-apps-first-scientific-study-is-so-ex-1834849462