Is this true?

Question

I heard the accuracy of an ultrasound under 12 weeks is between 3-5 days of wrong. Is that true? Or can an 8 week ultrasound be wrong by 2 weeks and be either 10 or 6 weeks? Mine said 8w3d. So should I trust that it's no more than 9 weeks? Thanks!

Answer

My OB told me that ultrasounds prior to 8 weeks are VERY accurate. In fact, mine showed my 4 days off and he changed my due date.

Answer

Glow predicted that I was 5 weeks 4 days and when I got my ultrasound they measured the the baby was 4 weeks 6 days so glow was 5 days off. I went back the following week I measured at 5 weeks 6 days. So I'd say ultrasounds are pretty accurate

Answer

An ultrasound under 12 weeks is the MOST accurate way to find out your due date. Trust your doctor! A six week ultrasound vs a ten week ultrasound is totally different. That's why they say it can't be more than a few days off that early on... They all grow at the same pace before 12 weeks and each week the baby looks drastically different.

Answer

I don't understand the question. My OB measured my baby during my 8 week ultrasound and agreed she was at 8 weeks. I am gonna trust my doctor; it's not her first day on the job. And I guess it's always possible there's room for error in any medical situation.

Is this true?

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