Obstetric and Gynecologic - Estimated Delivery Date (Patient information)

Estimated Delivery Date (Patient information)

Current Date   
First Day of Last Period   
Estimated Due Date
Estimated Gestational Age
  • This calculator helps you estimate your date of delivery based on the timing of your last menstrual period.
  • The Current Date is set to your local computer date. This must be correct for the calulator to give you an accurate estimate.
  • Gestational Age estimates how long the baby has been developing since conception. Your healthcare provider uses the gestational age in weeks (rather than months) to plan your prenatal care. Most pregnancies last approximately 40 weeks from the first day of the last menstrual period.
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All information contained in and produced by JoDrugs is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.