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What is Due Date?
Calculate your estimated pregnancy due date based on the first day of your last menstrual period (LMP) or conception date. Get a detailed pregnancy timeline with trimester milestones.
Key Features
How to Use Due Date
Enter the first day of your last period
Or enter the conception date
Click Submit to calculate
View your due date and pregnancy timeline
Common Use Cases
Tips & Best Practices
Only 5% of babies arrive on the exact due date
Full term is 37-42 weeks
Your doctor may adjust the due date based on ultrasound measurements
Frequently Asked Questions
How accurate is the due date?
Only about 5% of babies are born on their exact due date. Most are born within 1-2 weeks before or after. The standard is 280 days from LMP.
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Due Date is part of our Medical tools collection at AllInAOne. Use our free online tools for all your medical needs β no registration required.