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A member asked:
Dr said ultrasound put me at 6 weeks pregnant, but that puts day 1 on the last day of my last period instead of the first. can that be right?
A doctor has provided 1 answer
Sure: There is a margin of error for the ultrasound of up to 5 days in the first trimester. This should agree with your period.
Answered 6/14/2015
4.2k views
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