Use this private browser-based pregnancy due date calculator to estimate your delivery date, current pregnancy week, and important pregnancy milestones from your last menstrual period and cycle length.
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Pregnancy Due Date Calculator
Estimate your baby due date from your last menstrual period and cycle length. Private, fast, and easy pregnancy date calculator.
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About Pregnancy Due Date Calculator
1
Enter LMP
Add the first day of your last menstrual period.
2
Set Cycle Length
Adjust the cycle length if yours differs from the default.
3
Review Results
View your estimated due date and pregnancy timeline.
Key Features
Due Date Estimate
Calculate an estimated delivery date from LMP and cycle details.
Pregnancy Timeline
See pregnancy progress and milestone timing in a clear browser-based view.
Private by Design
Your dates are processed locally in your browser.
Frequently Asked Questions
No. It is an estimate based on common pregnancy dating formulas. A healthcare professional can provide more personalized guidance.
No. The calculator runs in your browser and does not need to upload your dates.
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