In the old days, women did not know when the date of pregnancy and approximate birth in a clear and precise, they use the method of cessation by doing close hand well, and then work at the expense of the months of pregnancy from the beginning by observing the height of hand organizations and drop from the top of the palm after arrest, Each high bone of the palm represents a mountain, and each low bone of the palm is read out. The beginning of pregnancy is calculated in months from the mountains in the left hand, until it becomes nine months, provided that the menstrual period is known, but this method is primitive and domestic. For the beginning of the Pregnancy and delivery date.
- The date of pregnancy is calculated by specifying the last day of the menstrual cycle. The pregnant woman adds two weeks to that date. Then we add nine months after the two weeks, at this time the exact date and time of pregnancy and the date of birth.
- The gestational date is calculated by knowing the correct and specific date for menstruation. The gestational age of pregnancy is about 280 days or 40 weeks. The date of conception is calculated by knowing the first day of the last menstrual cycle for women The method is as follows:
- The date of pregnancy and the date of birth are calculated by adding 9 months + 7 days to the last day of pregnancy for pregnant women. For example, if the date for the first day of the last menstrual cycle for women is 1/1/2015, the date of birth will be 8/10/2015 and so on.
- The date of pregnancy is calculated by calculating the date of the first day of the last menstruation process in the woman and added to it (280) days = the exact date of birth expected.
- This method is done by checking the doctor and the work of ultrasound examination in the clinic, and the doctor measures the size of the fetus in the uterus from the beginning of the stage of fetal in the bag of pregnancy, so the doctor can determine the date of pregnancy and the age of the fetus and then the birth date is calculated for the woman, This is an early test as the date of pregnancy is determined more accurately and better and thus determine the date of pregnancy and the date of birth better accuracy, this method may be appropriate for women who have irregular menstruation or who do not remember the date of their menstrual cycle.