Period Tracker

Period Cycle Tracker

🔑 Connect AI Assistant

Enter your free Anthropic API key to enable the AI chat. Get one at console.anthropic.com → API Keys.

Cycle Tracker

Set up your cycle below

—
day
Next period
—
—
Ovulation
—
—
Fertile window
—
6-day window
Current phase
—
—

Your cycle settings

Month

Period (heavy)
Period (light)
Ovulation
Fertile

Log today

Flow intensity
Spotting
Light
Medium
Heavy
Symptoms
Cramps
Bloating
Headache
Mood swings
Fatigue
Back pain
Breast tenderness
Acne
Nausea
Insomnia

Cycle AI — personalized insights

Ask anything about your cycle, symptoms, or health

What phase am I in?
Tips for cramps
Fertile window explained
What to eat this phase
PMS vs PMDD
Exercise during period
Irregular cycles
Signs of ovulation
Hi! I'm your cycle companion. Connect your API key above, then ask me anything about your period, hormones, fertility, or wellbeing.