Cycle planning tool
Your most fertile days
Enter your cycle length and last period date to find your fertile window.
Ovulation Calculator
Estimate your fertile window from your usual cycle pattern.
Estimated fertile window
to
Estimated due date:
Plan ahead
- Next cycle: to
- Following cycle: to
Sugabi App
Beyond fertile-day calculation
Log your cycle to track fertile days and ovulation, then get week-by-week pregnancy guidance, clinic reminders and more in the Sugabi App.
Open Sugabi App
Tracking your cycle?
Cycle & fertility tracking
- Period logging and ovulation prediction
- Symptom alerts that tell you when to see a doctor
- Age-personalised education