Choose method
Use the date you know best. Calculations run locally in your browser.
Your pregnancy plan will appear here.
Estimated due date
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Current week
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Days pregnant
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Weeks left
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Days left
Calculate your due date and pregnancy week from LMP, conception date, embryo transfer date, or a known due date.
Use the date you know best. Calculations run locally in your browser.
Dates are estimated from the current result and can be exported to a calendar file.
This tool converts the selected input into an equivalent last menstrual period date, then estimates due date, current week, days remaining, and milestone dates using a 40-week pregnancy model. IVF transfer dates are adjusted by embryo age.