How to calculate the accurate date of pregnancy

Parents of first-time children are more cautious about pregnancy. Novice parents lack experience and usually don't know how long they have been pregnant. For the baby in the belly, the expectant mother wants to know how many days the baby will be born. Knowing the number of days of pregnancy can calculate the delivery date and make arrangements early. So how to calculate the number of days of pregnancy most accurately? Is pregnancy calculated based on the day of intercourse?

How to calculate the number of days of pregnancy most accurately

I believe that many pregnant mothers are eager to get the most accurate pregnancy time calculation data. If accurate and reasonable data cannot be obtained, it will definitely affect the daily affairs of pregnant mothers. Many pregnant mothers hope to know when they will give birth. After knowing this data, they can adjust their working hours in time and take enough rest and prepare for delivery in the right time. So how should the pregnancy days be calculated? How to calculate the most accurate data? Friends who want to know, please read on.

After many clinical trials, it was found that the normal delivery cycle is 280 days starting from the first day of the last menstrual period. The pregnancy period is 10 months, each year is 28 days, and pregnant women will give birth between the 38th and 42nd weeks of pregnancy. Because each pregnant woman's menstrual cycle is different, the estimated delivery date will have a deviation of one to half a month. This deviation is within the normal range.

The general calculation method is: add 9 or subtract 3 from the month of the last menstrual period, and the result is the number of months of the delivery period. Add 7 to the day level, and the result is the number of days of the delivery period. This calculation method can be used to calculate the most accurate number of days of pregnancy for pregnant women. Therefore, in order to control the deviation as much as possible, pregnant mothers are required to create a good delivery atmosphere, which has a good effect on the future physical and mental development of the baby.