How Accurate is Your Baby’s Due Date? What to Know About When You’ll Go Into Labor

Throughout my pregnancy, I’ve received two different due dates — one came from my very first ultrasound, when my baby was barely the size of a blueberry, the date that was then subsequently stamped on my record as “the” due date.

But then there was a second date, the one that showed up on my next couple of ultrasound scans. This date was a few days earlier. It’s also the date that I prefer, not only because I’m now 38 weeks pregnant and ready to get this baby out, but because it matched the date I’d calculated on my own using information I looked up.

But … which one should I believe? And how much does it really matter? After all, as many moms know, due dates are just educated guesses.

How are due dates calculated?

To read the entire article featuring Dr. Shannon M. Clark click here!

Frequently Asked Questions

What are your qualifications?

I am a double board certified ObGyn and Maternal-Fetal Medicine Specialist. I have worked at a large academic center in academic medicine as a clinician, educator and researcher since 2004.  I am currently a tenured Professor and actively manage patients with high-risk pregnancies.

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