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Calculations must be re-checked, shouldn't be used alone for patient care, and don't substitute for professional judgment. See our full disclaimer.
Calculates pregnancy dates, forward from last period or backward from due date.
Calculate Expected Due Date, Current Gestational Age, Last Menstrual Period and Date of Conception, from any of the other three.
Use to track and estimate pregnancy.
To calculate pregnancy due date from LMP:
Calculations must be re-checked and should not be used alone to guide patient care nor should they substitute for clinical judgement. See our full disclaimer.