What’s the most accurate dating ultrasound?

Question

I had an US at 6 weeks and the tech said my due date was June 6. I then had an US at 12.5 weeks and a different tech told me June 7. According to my LMP my due date is June 8 but my doctor has my due date as June 10 🤔

Answer

Those are all so close it doesn’t really matter. Due dates are an estimate anyway and only 5% of babies are born on their due date. I’ve gone 6 days late and 1 day late in my previous pregnancies. With my second we told everyone the due date was a week and a half later than it was. You could go 3 weeks early you could go 2 weeks late. 🤷‍♀️

Answer

I never got a 12 or 13 week scan. They have always been going off my 7 week scan that I had. Although I also had one at 5 weeks which the EDD was the same at both. And at my 20 week scan baby measured 3 days ahead which was my LMP date. But they are still going with the scan date

Answer

It doesn’t really matter tbh, all of those dates are really close. I said 13 week US because with my first my due date got moved based on my 11.5 week scan. Baby’s bladder was visible, so would be at least 13 weeks. Being off by a day or a few days is really common, and can be chalked up to ovulating early or late or human margin of error. They won’t adjust your edd unless it’s at least a week or two off.

Answer

Baby comes when they come. A few days is nothing

What’s the most accurate dating ultrasound?

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