# Pregnancy Due Date

Women usually wonder how does the doctor finds out the pregnancy due date with so much accuracy and ease? The answer to this is that majority of doctors calculate this with the help of a formula.

However, it must be known that there are few other ways with which the pregnancy due date can be calculated. They will be discussed subsequently in the following paragraphs.

Before we move on to the actual core of the topic, a brief discussion pertaining to the pregnancy should be brought into discussion. Many civilizations, countries, ethnicities and races have brought out numerous different methods to calculate the pregnancy due date. The due date calculation have always been a matter of interest because people were curious to know when a new member of family is coming into this world.

## Calculate the Pregnancy Due Date

In the ancient civilizations, a pregnancy date was calculated with outstanding accuracy. The highly notable civilization that came to the upfront in calculating the pregnancy due date was the Chinese civilization. Not only they mastered in calculating the pregnancy due date but they also worked on performing gender probabilities, in order to check whether the parents shall have a boy or a girl, according to the Chinese pregnancy calendar. The Native Americans, on the other hand, used to calculate the pregnancy due date with the phases of the moon.

The calculations that are done by the doctors today focus on adding 9 months to the beginning of the Last Menstrual Period and after that, subtracting two weeks from it. Or if you want to put it simply, you can add forty weeks on the first day of your last menstrual period and then subtract two weeks from it. The name of this formula goes accordingly: The Last Menstrual Period Formula.

Another method that has been used to calculate the pregnancy due date is known as the Naegle Formula. As in the previous formula, you have to record the first day of your Last Menstrual Period and then go three months back to that date. Add 1 week to whatever the result that comes and you will get the Expected Date of Delivery (EDD).

Nowadays, websites have a pregnancy calculator. With the help of it, you just have to input your date of Last Menstrual Period and then you can automatically get the EDD. Modern women maintain an entire pregnancy due date calendar, in which they have charted the first day on which they got their last menstrual period and then follow it up to see how many weeks are left in their delivery.

Hence, computerization of many medical calculations like these has increased the accuracy in the modern healthcare systems. Similarly, methods like those mentioned above are now employed to calculate the pregnancy due date as accurately as possible. However, they are not always exact and variations of few days may occur