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A member asked:
If i don't remember my last period and my ultra sound says the fetus age is 5 weeks compared too other fetuses... how long ago did i conceive?
A doctor has provided 1 answer
+/- 5 days: Ultrasounds done in the first trimester of pregnancy are accurate to +/- 5 days. So to answer your question you conceived somewhere between 5 weeks and 5days ago to 4 weeks and 2 days ago. Hope that helps!
Answered 9/28/2016
5.8k views
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