A member asked:

Through transvaginal ultrasound on 9/11/13 was told 6wks 4days pregnant. what are the possible conception days?

6 doctors weighed in across 2 answers

About 4 weeks prior: Usually you conceive about 2 weeks after your menses starts. From this conception probably about 8/11.

Answered 5/4/2015

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8/11/13: Ultrasounds in the first trimester are accurate to about 3 days, plus or minus, so roughly 8/8-8/14/13 is when conception took place.

Answered 1/14/2014

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