A member asked:

Vaginal ultrasound measured 7 wks 6 days on june 22, first day of lm april 26 how accurate is that,what is the inaccurate time frame.pregnancy in may?

A doctor has provided 1 answer

Dr. Michael Gabor answered

Specializes in Diagnostic Radiology

The margin of: error for ultrasound is roughly +/- 8%(in days) throughout the pregnancy. So at 55 days, it would be about +/- 4 1/2 days.

Dr Juchau agreed

Answered 8/27/2015

2.4k views

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A member asked:

Vaginal ultrasound measured 7 wks 6 days on june 22, first day of lm april 26 how accurate is that,what is the inaccurate time frame.pregnancy in may?

A doctor has provided 1 answer

Dr. Michael Gabor answered

Dr Juchau agreed

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