Pregnancy Due Date Calculator
Estimate a pregnancy due date from the first day of the last menstrual period and usual cycle length.
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Estimated due date
March 8, 2027
This is an estimate only. Ultrasound dating and a clinician's assessment may give a different date.
Estimated conception date: June 15, 2026. Estimated 37-to-41-week window: February 15, 2027 to March 15, 2027.
These results are educational estimates, not a diagnosis or treatment plan. For personal medical advice, pregnancy guidance, chronic conditions, eating concerns, or medication decisions, speak with a qualified health professional.
How to use this result
Use the estimate as a starting point for learning and planning. Recheck the inputs, compare the result with how you feel day to day, and ask a qualified professional before making major changes to diet, exercise, medication, or pregnancy-related decisions.