A member asked:

I am pregnant.,ive done ultrasound and the embryo is bigger than the sack of the bb embroyo it is 6weeks, what the possibilities of my baby?

A doctor has provided 1 answer
Dr. Carrie Cannon answered

Specializes in Family Medicine

Not usually: Although the formulas are less accurate in early pregnancy, it looks like the maximum error wouldn't be more than 6 days according to this study with a mean of 3 days, but errors happen and scans get switched rarely, I suppose.

Answered 9/28/2016

3.8k views

Thank

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