Pregnancy Due Date Calculator

This simple Pregnancy Due Date Calculator will help you to calculate your estimated due date (EDD). You can use the calculator below by selecting the first day of your last menstrual period (LMP) and click Calculate. The EDD will show instantly.

The gestation period for women is 280 days counting from the first day of the last menstrual period. Women have an average gestation period of 280 days, 40 weeks or 9 months.

Woman and her baby
Woman and her baby

What Is A Pregnancy Due Date Calculator?

A pregnancy due date calculator is a tool that can be extremely helpful to pregnant women that wish to know when they will give birth. This type of online human gestation calculator is one tool that you can use to determine your baby due date.

This pregnancy due date calculator can be used in several situations. By selecting the first date of your last menstrual period, you will quickly be shown your estimated date of delivery (EDD). So you can compare the result from our calculator with the EDD your doctor gave you (or will give you). You can also use this due date calculator to plan and prepare for your coming baby. Of course, it can be used on behalf of a family member, wife or friend.

In summary, you can use this pregnancy due date calculator if:

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  • If you have missed your period, and know that you are pregnant, find out when your baby’s likely due date is.
  • If you are unsure of your pregnancy status, this pregnancy due date calculator will help you to estimate when your baby will come in case your status is positive.

How the Pregnancy Due Date Calculator Works

There are various types of due date calculators online, but they all work in a similar way. They take basic information that you provide, calculate your due date based on the normal gestation period for women and display the details you need. Almost all online pregnancy due date calculator on the Internet, including ours, are simple to use. No personal information is required to come up with your EDD. You should only be providing or entering the date that your last menstrual period started. For some calculators, your last menstrual cycle is required. These give the calculator a starting point to go from. From this point, your calculator can calculate several other bits of information for you. From this information, the calculator will calculate and tell you what your EDD is. The calculator adds 280 days to your first day of last menstrual period to estimate your baby’s is due to come to the world.

Conception generally happens two weeks after this date, which would provide you with a 38 week gestation period. The two additional weeks that bring the total pregnancy term to 40 weeks are the two weeks before conception, which often confuses many people when calculating this information.

Be careful with how you make use of pregnancy due date calculators, though. While they are correct in the information that they provide, only about 5% of babies are born on their due date, as reported on WebMD. Hence, you should expect your baby to be born up to two weeks before or after your due date. Nevertheless, this tool serves as an important tool in determining when you should get prenatal care.

The following questions relating to women gestation could be answered with the above calculator.

  • What is a woman’s estimated due date (EDD)?
  • For how long are women pregnant?
  • When will a pregnant woman deliver her baby?
  • What is the gestation period for humans in days, weeks or months?

Pregnancy Due Date Chart

The pregnancy due date chart below can also be used to know the estimated due date of delivery.

Pregnancy Due Date Chart
Pregnancy Due Date Chart