The team of researchers, in order to more accurately calculate the duration of pregnancy, determined the level of hormones in the urine of women who plan to become pregnant naturally, which made it possible to determine the time of ovulation and implantation of a fertilized egg. Thus, scientists found that the duration of pregnancy was no more than 268 days, that is, 38 weeks. And the duration of pregnancy itself can vary by 37 days. It was also found that previous and subsequent pregnancies lasted approximately the same length as the pregnancy that was investigated.
According to the results of this study, it was found that in the world at the moment there are few mechanisms that allow you to accurately determine the date of birth and how long the pregnancy lasts. And giving the exact due date is not a good idea, because. this causes a woman’s extra anxiety if the birth does not occur on the specified date. The poet, women should be told that you will give birth around this time.