Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm

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    Pregnancy Due Dates Calculator

    Calculates pregnancy dates, forward from last period or backward from due date.
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    INSTRUCTIONS

    Enter last menstrual period (LMP), current gestational age (GA), OR expected due date to determine the other two, plus estimated date of conception.

    When to Use

    Patients who are pregnant or may be pregnant.

    Last Menstrual Period (LMP)
    Gestational Age (GA)
    Due Date (EDC)

    Result:

    Please fill out required fields.

    Next Steps
    Evidence
    Creator Insights

    Critical Actions

    Use to track and estimate pregnancy.

    About the Creator
    Dr. Frank A. Chervenak
    Are you Dr. Frank A. Chervenak?