Pregnancy Calculator
Calculate your due date, current week, trimester, and baby milestones.
Tool workspace
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How this tool solves a real task quickly
Use the selected date and calculation method to estimate a due date, pregnancy week, and trimester timing.
What this tool does
For LMP dates, the calculator adds 280 days and adjusts for the cycle length entered. It uses 266 days from conception and subtracts embryo age from the same 266-day interval for IVF transfer dates.
Limitations and scope
- This tool provides estimates for planning only. Pregnancy dating, milestones, and due dates can vary and should be confirmed with a qualified healthcare professional.
- Do not use this result to make urgent medical decisions or to replace prenatal care.
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