Estimate your fertile window, ovulation day, and conception date
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Estimated due date
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Ovulation day
Fertile window
Fertile
Peak
Fertile
Fertile windowPeak ovulation
Key dates
Fertile window starts—
Peak ovulation day—
Fertile window ends—
Estimated conception—
Earliest pregnancy test—
Due date (40 weeks)—
These are estimates based on average cycle data. Actual ovulation and conception timing vary by individual. Consult your healthcare provider for confirmation.
