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A member asked:
If my early 6 week ultrasound puts my edd four days after my edd from lmp, which one should i go by, my ob/gyn says ultrasound what do you think?
A doctor has provided 1 answer
If: Your LMP is certain then by convention you go with the LMP if it's within 1 week of the ultrasound. If they differ more than 1 week, or if the LMP is not known, then go with ultrasound. That's the convention.
Answered 2/9/2017
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