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Period & Ovulation Tracker

Predict your next period, fertile window, and ovulation day. Full 3-month calendar forecast with color-coded phases.

Last Period Start Date

Cycle Length: 28 days

2128 (avg)35

Period Duration: 5 days

35 (avg)8

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You're in the

Ovulation Phase

Peak fertility window

Next Period

19 Apr 2026

in 14 days

Ovulation

5 Apr 2026

in 0 days

Fertile Window

31 Mar – 6 Apr

3-Month Forecast

Period Fertile Ovulation

April 2026

May 2026

June 2026

⚠️ Not a contraception method. These predictions are estimates. Consult a doctor for reliable family planning.

Medical disclaimer: This calculator is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek guidance from a qualified healthcare provider.

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Pregnancy Due Date

Due date from LMP, conception, or IVF.

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Healthy weekly weight gain by your BMI.