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Estimate due date from LMP, conception, or ultrasound.
Tue, April 13, 2027
280 days to go
Gestational age
0w 0d
Trimester
1st
LMP
July 7
This is an estimate based on Naegele's rule. Only ~5% of babies arrive on their exact due date. Always consult your healthcare provider for medical decisions.
Estimate your baby's due date using last menstrual period (LMP), conception date, or ultrasound dating. Calculates gestational age in weeks, trimester progress, and important milestone dates. Naegele's rule with adjustable cycle length.
Calculate your estimated baby due date and track gestational age using your last period or conception date.
Select your preferred calculation method
Choose between using your last menstrual period (LMP), conception date, or ultrasound data to begin the estimation.
Enter the required date information
Input the specific date based on your chosen method and adjust the average cycle length if using the LMP option.
Calculate your estimated due date
Click the calculate button to apply Naegele's rule and generate your pregnancy timeline.
Review your gestational age and milestones
Analyze the results to see your current week of pregnancy, trimester progress, and important developmental milestone dates.
Estimated time: PT1M
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