The due date is different from the actual delivery date, which is a rough estimate, so this delivery date is not an exact date. After pregnancy, it is necessary to calculate the due date so that various tasks before delivery can be arranged according to the due date. So, how is the estimated due date calculated accurately?
To calculate the due date more accurately, it depends on the woman herself. If it is a woman with a regular menstrual cycle, the ovulation period is also relatively fixed because of the regularity. So calculating the expected delivery date needs to start from the last menstrual period, and this method of calculating ovulation period is currently the commonly used method for calculating the expected delivery date.
Specifically, the calculation of the due date starts from the last menstrual period and is then extrapolated back forty weeks to obtain an approximate time, which belongs to the due date. For women whose menstrual cycles are not very regular, it is also necessary to look at the last menstrual cycle to calculate the due date, but there will definitely be some deviation.
To calculate the due date more accurately, one can estimate the gestational age based on the examination results and specific examination data between seven to twelve weeks of pregnancy. This way, the due date can be calculated. Of course, regardless of which method is used, the estimated due date calculated is the approximate delivery time.
