What This Calculator Does
Calculate estimated due date (EDD) and milestone progression using Naegele’s rule.
How to Use This Calculator
- Select First Day of Last Period (LMP)
- Select Average Cycle Length (default 28 days)
- Click Calculate Due Date
Formula & Calculation Methodology
Due Date = LMP + 280 Days (40 Weeks)
Worked Example
LMP: 01-Jan-2026 => Estimated Due Date: 08-Oct-2026.
In-Depth Guide & Practical Tips
Tracking gestational milestones helps expectant mothers prepare for ultrasound scans and trimester developments.
Frequently Asked Questions (FAQ)
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