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Pregnancy Calculator - Calculate Your Due Date



Use our Pregnancy Calculator to find out your Estimated Due Date (EDD) which is calculated using the first day of your Last Menstrual Period (LMP). Our Pregnancy Calculator below will give you a guide to your due date by calculating 40 weeks gestation from the first day of your last period.


Select the date of the first day of your last period:


Pregnancy Calculator
Select the number of days in your menstrual cycle:



If your typical menstrual cycle was not 28 days, this may be taken into account when calculating your dates although it will only alter your due date slightly - you can experiment with this above.

This calculator offers a guide only. Please consult with your health professional to find your exact due date as there may be other factors which affect this. Blood tests and ultrasounds during your pregnancy will give you further indication of your estimated due date.

Mum Zone wishes you all the very best with your pregnancy!