🌙 Cycle

Menstrual cycle tracking: log your days, symptoms and flow, and see the prediction of your next period, fertile window and ovulation on the calendar.

Important notice

The predictions are estimates based on the data you enter and do not replace medical advice, nor do they work as a contraceptive method.

📷 Suggested screenshot

The cycle calendar with the legend (period, fertile, ovulation, PMS) → docs/public/img/ciclo-calendario.png.

What it is

A smart calendar that, based on your cycle length and your last period date, projects the upcoming phases and lets you record what you feel each day.

What it's for

• Predict the next period and the fertile/ovulation days.
• Record flow, symptoms and mood for each day.
• Track your own body's patterns over the months.

How to use (step by step)

1. On the first time, do the initial setup:
   • Cycle length (default 28 days).
   • Period length (default 5 days).
   • Start date of your last period.
2. The app builds the calendar with the predicted phases and shows the countdown to the next period.
3. Tap a day to record:
   • Whether there was a period that day and the flow intensity.
   • Symptoms (cramps, headache, etc.).
   • Mood and notes.
4. As you log, the predictions adjust to your real data.

📷 Suggested screenshot

The day-log screen, showing flow, symptoms and mood → docs/public/img/ciclo-registro.png.

The calendar legend

• 🔴 Period — period days (predicted and logged).
• 🟢 Fertile window — the estimated window of highest fertility.
• 🔵 Ovulation — the estimated ovulation day.
• 🟠 PMS — the days leading up to the period.
• An extra marker flags the days where you logged symptoms.

Filling examples

• Start of the period → mark "had a period" + heavy flow; note symptoms if any.
• A day with cramps outside the period → log the symptom even without a period, to keep the history.

Tips to get the most out of it

• Log regularly: the more real days you mark, the more accurate the predictions become.
• Update the setup: if your cycle has changed, update the length so the projections keep up.
• Use the notes: a short daily record helps you talk to health professionals with the data in hand.

Related

To record how you felt day to day, see Mood.