Accuracy dating scan 8 weeks
Once you have counted all the days that have passed since your LMP divide the counted days by 7. Each of these methods will give you the gestational age of your pregnancy.
If there is a significant difference between gestational age according to LMP and gestational age according to the ultrasound, you may be given a new gestational age and due date based on the ultrasound measurements.
Gestational age is the age of pregnancy when counted from LMP or two weeks before conception.
Fetal age is the age of pregnancy when counted from Conception.
This method of measuring pregnancy adds an extra two weeks since counting starts approximately two weeks before baby is conceived.
Counting from conception: Pregnancy is 38 weeks from conception to estimated due date.
The number of recurring days you count is the number of weeks you are now.