A member asked:

Only possible conception dates: 7/4 and 7/18-23rd my first ultrasound dated me at 13 weeks 5 days.with a conception date of 7/20.how accurate is this?

A doctor has provided 1 answer
Dr. Bruce J. Stringer answered

Specializes in Radiology

Good Enough: Sounds like your sono dated you in the middle of the 7/18-23 range. No way was it the 7/4 window. Accuracy should be less than a week either way.

Answered 11/28/2017

4.6k views

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