Pregnancy Conception Calculator
Estimate the conception date & fertile window from LMP, due date, ultrasound, known conception, or IVF transfer.
Estimated Conception
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Fertile Window
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Estimated LMP
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Estimated Due Date (EDD)
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Gestational Age (today)
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Weeks since Conception
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Timeline & Windows
| Milestone | Date / Range | Notes |
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Dates are educational estimates for typical singleton pregnancies. Always follow advice from your clinician.