Fortune-telling delivery date _ Fortune-telling birth time

How to calculate a child's date of birth?

The gestation period is generally about 280 days, that is, 9 months 1 week.

There is a formula to calculate the baby's birth date: month +9 (or -3), day +7.

Example: The date of the last menstrual cramp was1April 2, 994. The expected delivery date is: April+September = 65438+ March, that is, 65438+the following year 10 month; 2+7 = 9. The estimated delivery date is 1995 1.9.

If menstruation is not allowed, it can be calculated according to the time when fetal movement begins to appear. The time of the first fetal movement of the first pregnant woman is about 18-20 weeks, and the expected date of delivery may be 20-22 weeks later. You can also measure the height of the fetus or the fundus of the uterus according to ultrasound. Comprehensive analysis of these methods at the end of pregnancy can tell when the baby will be born.