If you do give birth naturally on your EDD, it's chance, not the prenatal provider's knowledge, that explains it.
Knowing the expected delivery date, or EDD, is an integral part of determining the estimated day of conception.
Wanzer, EdD, professor of communication studies at Canisius College in Buffalo, NY has shown that the use of humor can improve employees' work performance.
The PhD is the most common Doctoral degree in America, but the EdD is gaining in popularity.
This is why you may hear your delivery date called your "Expected date of delivery" (EDD) - labor and birth is expected to happen around the due date time but not right on the due date.