What signs does the chart interpreter use?

Basal body temperature shift, peak fertile mucus (watery or egg-white), and LH positive tests — the core symptothermal signs.

Is my chart data stored?

No. Everything is calculated in your browser and never sent to our servers.

Log daily signs and see an estimated ovulation window.

Log daily signs for this cycle. Data stays on your device.

Calculated on your device. Nothing is sent or stored unless you choose to save it.

Estimates are educational, not diagnosis or medical advice. Always consult a qualified clinician.

What signs does the chart interpreter use?: Basal body temperature shift, peak fertile mucus (watery or egg-white), and LH positive tests — the core symptothermal signs.
Is my chart data stored?: No. Everything is calculated in your browser and never sent to our servers.