A member asked:

My last period was march 13. 8 week ultrasound due date dec 21.postive test at april 11 intercourse 28th and april4.is it possible this is from the 4?

2 doctors weighed in across 2 answers

Maybe: You should talk to your OB/Gyn. An ultrasound can give you an approximate date of conception.

Answered 7/19/2015

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Dr. James Rochester answered

Specializes in Family Medicine

Too close to know: that 1 week difference in timing of intercourse too close together to tell via ultrasound at 8 weeks which date of intercourse is likely to have resulted in conception. I am assuming this is a question of paternity of the baby. Unfortunately that will have to wait until the baby is born and testing is done on both potential fathers and the baby. Sorry. Best of luck with your pregnancy. Dr. R

Answered 7/19/2015

2.5k views

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