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A member asked:

Had a internal scan wasnt sure when my last period was but im 12weeks 1day pregnant today...what date did i concieve?

A doctor has provided 1 answer
Dr. Gerard Honore answered

Specializes in Fertility Medicine

January 8th: You probably conceived around january 8th, so sex for a few days before this is also possible. The ultrasound is accurate to about +/- 2-3 days if done perfectly, so the range could be a few days earlier or later. L.

Dr Raichle agreed

Answered 3/23/2014

4.3k views

Thank

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