Pregnancy & Fertility Calculators - Due Date, Ovulation
Free online pregnancy and fertility calculators. Ovulation calculator, pregnancy due date calculator, and date calculator.
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Ovulation Calculator
Calculate your fertile window, ovulation date, and cycle phases.
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Pregnancy Calculator
Estimate due date, track trimesters, and view pregnancy milestones.
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Date Calculator
Calculate date differences, add or subtract days, and count work days.
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All tools run directly in your browser - no downloads, no signups, completely free. Your data stays on your device.