How many weeks does pregnancy usually last

How many weeks does a pregnancy usually take to give birth? This means the approximate time of delivery. The scheduled due date is 40 weeks. The full 40 weeks are called the due date. Why is it called the due date? The day when you are ready to give birth is called the due date, so most people should They are all born around the due date, that is, around 40 weeks. In fact, clinical summary found that most of the delivery is between 39-40 weeks, but in fact more than 37 weeks of people, such as 37,38 weeks, 39 weeks are full-term birth, that is normal, 40 weeks called due date, more than 41 weeks beyond the expected date is normal, even some people will dawdle to nearly 42 weeks, 41 weeks plus a few days, most people are around the expected date of delivery, such as 39-40 weeks between delivery.