Pregnancy due date calculator

Pregnancy due date calculatorIf you are using our pregancy calculator congratulations on your pregnancy.

Even if you get the calculator out, add a few fingers and toes, and you’re still not sure when your baby is due? Use our pregnancy calculator tool to figure out the approximate date. (But, remember, nearly 5 per cent of women won’t actually give birth on their actual due date.)

Our pregnancy calculator will help you determine your estimated due date (EDD).

  1. First day of last menstrual period:

 this is your likely due date

A pregnancy is generally considered to last 280 days (40 weeks) from the date of your last menstrual period (LMP). Our pregnancy calculator uses the Luteal method which takes your LMP and adds 266 days, to give you an estimated due date. Naegele’s Rule*, where your pregnancy is approximately 266 days (38 weeks) from the date conception.

*Dr. Franz Carl Naegele was a German obstetrician, practicing in the mid 1800s. Many doctors and caregivers use Naegele’s Rule today when approximating EDD.

Disclaimer

All information provided on our pregnancy due date calculator is for information purposes only. All calculated dates are estimates and should be considered as such: since each woman’s pregnancy is unique, there are no guarantees that the dates are or will be accurate for you.  You should always contact your own medical doctor with any questions or concerns that you may have about your personal situation.

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Photo Credit: Microsoft