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Pregnancy Due Date Calulator
First Day of Last Menstrual Period (First day of bleeding):
Average Length of Cycles (Range 22 to 44. Leave 28 if unsure):
Calculate!
Results
Estimated Fertility Window — From:
To:
Estimated Conception Date:
Estimated Gestational Age (How far along is your pregnancy):
Estimated Due Date (Only 5% born on their due date!):
Important Notice: This is not a diagnosis. The calculations provided are estimates based on averages. If you have any questions regarding your health or medical condition, consult your physician or healthcare provider.