How to calculate your due date

Your estimated due date is one of the first things that you might want to know after you’ve discovered you’re pregnant. It's completely normal to feel both excited and a bit overwhelmed about calculating your due date. This is a very special part of your pregnancy journey. It will help you to get a feel for the length of your pregnancy ahead, and plan for your future as a family.

You can calculate your due date right here within Pregnancy+

Here’s how:

  • Go to your Pregnancy+ Profile (located at the top right of the Today screen)
  • Under Pregnancy, select Due date calculator

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  • The app can work out your due date using either the first day of your last period, or your conception date.

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You can also check the calculated date by using this method:

  • Work out when the first day of your last period was
  • Add 40 weeks (or 280 days)
  • This date will be your estimated due date.
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