How does the Due Date Calculator work?

Estimate due date from last menstrual period. The result is an estimate based on the values entered.

Is this calculator medical advice?

No. This calculator is for general education and should not replace advice from a qualified health professional.

Pregnancy

Estimate due date from last menstrual period.

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Formula

Result is calculated from the entered values using a common health or fitness estimate formula.

These calculators provide estimates for general education and are not a substitute for professional medical advice.