Peri is on a mission to diagnose and treat perimenopause.

Peri launches Tuesday direct-to-consumer with its wearable wellness device, $449, that can detect and track symptoms associated with perimenopause like night sweats, hot flashes, anxiety and sleep disruption using the brand’s proprietary algorithm. Peri, which was unveiled at CES 2025, is owned by women’s health company IdentifyHer.

“We spent five years in research and development, working with [500] women to get to where we are now,” said Heidi Davis, cofounder of IdentifyHer. “We recognize that the fact that there is such a lack of data in women’s health across the board, and when you look at long term health for women, it’s very hard to understand why we go toward one disease and not toward another.”

The device is worn under

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