Menstrual Cycle Length Calculator EDD VS AUA...Which Due Date Is More Accurate?

EDD VS AUA...Which Due Date is more accurate? - menstrual cycle length calculator

I am pregnant with our first child, and I am) about my EDD (estimated date, with no child and no sign of work yet! My EDD is 11 / 9, but my AAU says (ultrasound medieval) 11/21. What should I believe? "

Note: If Dr. calculated my EDD has requested that only '1 my last cycle. Would not it be more accurate if the average length of my cycles and the average duration of the luteal phase is? Because when I enter the information online due date calculator a due date of 11/16-11/19, the can get a line closer to the AAU to. I am very happy to see my baby soon, and I fear he will not stop! Please help! = (