Whenever I talk to people working in the quantified self -- fitness and health trackers -- there's a murmuring about how little attention is given to

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Withings has introduced a cycle tracking feature that allows users to log their menstrual cycle stages, symptoms, flow, period dates, and moods. The feature helps users predict future period dates and optimize sleep, activity, and nutrition. Withings took a long time to launch the feature, relying on manual data entry rather than automated biometric tracking. The company aims to provide comprehensive health monitoring and address the diverse needs of its users. The market for cycle tracking apps is predicted to reach $750 million and double by 2032.

With cycle tracking, Withings considers taking half of the population seriously