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Why are babies almost never born on their due date?

Why are babies almost never born on their due date?

The last days of your pregnancy are long. And to think that about 4 percent of babies are born on their due date.

A pregnancy is unpredictable, so it's not surprising that you sometimes long for a little bit of certainty in the form of facts or figures.

How is the due date determined? The due date is determined on the basis of an ultrasound or on the basis of your last menstrual period. Even if you know exactly what date that was, that is no guarantee. Every cycle is different. In addition, not every pregnancy lasts exactly the same length.

When is the chance of giving birth greatest?
The spread of births is too large, making it difficult to determine a due date. Most deliveries take place between the 38th and 42nd week.

Remember…

Why are babies almost never born on their due date?