In this case, the accuracy of the LMP and the accuracy of the ultrasound ... but also to document clearly in the prenatal chart how the EDD was established. Consequently, everyone is speaking ...
1. Double-check and recalculate the LMP due date (ideally with a computer) LMP 4/18/08 → EDD 1/23/09 2. Calculate the number of days difference between the LMP and US due dates US 8/15/08 20 + 2 ...