Very accurate: First trimester ultrasounds are very accurate in dating a pregnancy. If the ultrasound date is more than 7 days different for the last menstrual period; the pregnancy is usually redated by the ultrasound due date.
Answered 6/22/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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