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Science-based period tracker — cycle predictions, PMS alerts, and reproductive health tracking

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https://clue.appbearerhealthconfidence: 80/1000 discoveries1 contributors

GET/api/cycle

Get cycle predictions

Returns

current_phase, predicted_period{start, end}, fertile_window{start, end}, pms_start, cycle_stats{avg_length, variation}

GET/api/cycles

Get cycle history

Parameters

limitintegeroptional

Returns

cycles[] with start_date, length, period_length, symptoms_logged[], ovulation_estimate

POST/api/tracking

Log daily tracking

Parameters

datestringrequired

valuestringrequired

categorystringrequired

Returns

logged, category, date