A member asked:

If i was 8week pregnant shown by early scan on 17sept 2013.when would sex have taken place?

A doctor has provided 1 answer

July 22-24ish: Ultrasounds can help confirm how old a fetus is but it should not be used to back track to find the exact date of sexual intercourse, especially if paternity identity is a concern. If you were 8 weeks pregnant 9.17.2013, you count back 8 weeks it puts it around 7.23 or so.

Answered 4/28/2015

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Is sex advisable in early stage pregnancy?

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