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Estimate due date, conception date, pregnancy progress, and time remaining based on the first day of the last period.
Estimate due date, conception date, pregnancy progress, and time remaining based on the first day of the last period.
First day of last period
The starting date used to estimate the pregnancy timeline.
Reset
Restores the example date and clears the current scenario.
Estimated due date
The projected delivery date based on the entered date.
Estimated conception date
A rough estimate of when conception likely occurred.
Pregnancy progress
Shows how far along the pregnancy is as a progress value.
Current stage
Summarizes the trimester or phase based on the current pregnancy length.
Days remaining
An estimate of how many days remain until the due date.
The due date is estimated from the last menstrual period using a standard pregnancy timeline calculation.
Yes. The tool also estimates pregnancy week, trimester progress, and the days remaining until the due date.
No. It is a planning and estimation tool, and clinical advice should always come from a qualified medical professional.
Explore a few closely related tools to continue the same task or compare another approach.
Estimate your due date from the first day of your last period and adjust for shorter or longer cycle lengths.
Cycle Length
28 days
Estimated Due Date
22 October 2026
Estimated Conception Date
29 January 2026
Pregnancy Progress
12 weeks 0 days
Current Stage
First trimester
Days Remaining
196
This estimate is based on the first day of the last menstrual period and a 280-day pregnancy, adjusted for cycle length. Early ultrasound dating is typically more accurate than LMP-based estimation.