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A member asked:
The start of my last cycle was oct. 7. i had an ultrasound today i'm 10 weeks pregnant n my due date is august 5, 2013. how is this possible? reg per
A doctor has provided 1 answer
Uncertainty : Nothing is totally accurate. In the first trimester the ultrasound can be off a week in either direction. And not every cycle has the same number of follicular days. With that big of a discrepancy the ultrasound may be more accurate.
Answered 4/19/2013
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