Finally, a wearable designed for women approaching menopause

Peri tracks hot flashes, night sweats, anxiety, and more for women in perimenopause. How it works, why its founders decided to sell it as a consumer device, and Peri’s surprising business model.

Ali Hewson, like many women, was unprepared for the intensity of perimenopause. “I initially thought I would just grin and bear it, as my mother did,” she says. 

But the symptoms piled on: brain fog, hot flashes, mood swings, dryness, exhaustion. “One minute you are happy and content, then suddenly you are anxious and irritable followed by intense heat and........

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