A member asked:

I carnt remember my last lmp i had scan aug 22nd said 7 w 3 days crl 11.8mm. another scan 1st oct 13 w 2 days when did i concieve? due april 6th. ty.

A doctor has provided 1 answer

Dr. Gerard Honore answered

Specializes in Fertility Medicine

Sex July 15-18: would be a best guess. Your 2 first trimester US dates are strikingly close, meaning high reliability. Since sperm can live for 2-4 days after sex the "exact" date can't be pinned down in most cases. Hope this helps.

Answered 1/16/2015

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A member asked:

I carnt remember my last lmp i had scan aug 22nd said 7 w 3 days crl 11.8mm. another scan 1st oct 13 w 2 days when did i concieve? due april 6th. ty.

A doctor has provided 1 answer

Dr. Gerard Honore answered

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